Home / 1,190,800,870.57-1,643,306,563.76-662,153,506.39

Finding the Fourth Proportional to 1,190,800,870.57, 1,643,306,563.76 and 662,153,506.39

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Solution

The fourth proportional to 1,190,800,870.57, 1,643,306,563.76 and 662,153,506.39 is: 913,772,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,800,870.57 : 1,643,306,563.76 = 662,153,506.39 : x
  2. Step 2: Convert to fraction form
    1,190,800,870.57/1,643,306,563.76 = 662,153,506.39/x
  3. Step 3: Cross multiply
    1,190,800,870.57x = 1,643,306,563.76 × 662,153,506.39
  4. Step 4: Simplify right side
    1,190,800,870.57x = 1,088,121,203,267,386,112
  5. Step 5: Solve for x
    x = 1,088,121,203,267,386,112/1,190,800,870.57
  6. Step 6: Final answer
    x = 913,772,596.38

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Half scale
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Double scale
Find fourth proportional to 1,190,800,871.57, 1,643,306,565.14 and 662,153,507.39
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.