Home / 1,197,289,033.09-1,640,258,574.41-1,152,525,019.55

Finding the Fourth Proportional to 1,197,289,033.09, 1,640,258,574.41 and 1,152,525,019.55

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Solution

The fourth proportional to 1,197,289,033.09, 1,640,258,574.41 and 1,152,525,019.55 is: 1,578,932,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,289,033.09 : 1,640,258,574.41 = 1,152,525,019.55 : x
  2. Step 2: Convert to fraction form
    1,197,289,033.09/1,640,258,574.41 = 1,152,525,019.55/x
  3. Step 3: Cross multiply
    1,197,289,033.09x = 1,640,258,574.41 × 1,152,525,019.55
  4. Step 4: Simplify right side
    1,197,289,033.09x = 1,890,439,045,527,166,208
  5. Step 5: Solve for x
    x = 1,890,439,045,527,166,208/1,197,289,033.09
  6. Step 6: Final answer
    x = 1,578,932,900.31

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Half scale
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Double scale
Find fourth proportional to 1,197,289,034.09, 1,640,258,575.78 and 1,152,525,020.55
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.