Home / 1,084,569,984.54-1,496,870,184.03-661,429,131.66

Finding the Fourth Proportional to 1,084,569,984.54, 1,496,870,184.03 and 661,429,131.66

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Solution

The fourth proportional to 1,084,569,984.54, 1,496,870,184.03 and 661,429,131.66 is: 912,871,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,569,984.54 : 1,496,870,184.03 = 661,429,131.66 : x
  2. Step 2: Convert to fraction form
    1,084,569,984.54/1,496,870,184.03 = 661,429,131.66/x
  3. Step 3: Cross multiply
    1,084,569,984.54x = 1,496,870,184.03 × 661,429,131.66
  4. Step 4: Simplify right side
    1,084,569,984.54x = 990,073,546,030,707,200
  5. Step 5: Solve for x
    x = 990,073,546,030,707,200/1,084,569,984.54
  6. Step 6: Final answer
    x = 912,871,977.05

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Double scale
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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.