Home / 769,569,840.46-1,062,888,972.78-506,426,583.16

Finding the Fourth Proportional to 769,569,840.46, 1,062,888,972.78 and 506,426,583.16

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Solution

The fourth proportional to 769,569,840.46, 1,062,888,972.78 and 506,426,583.16 is: 699,449,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,569,840.46 : 1,062,888,972.78 = 506,426,583.16 : x
  2. Step 2: Convert to fraction form
    769,569,840.46/1,062,888,972.78 = 506,426,583.16/x
  3. Step 3: Cross multiply
    769,569,840.46x = 1,062,888,972.78 × 506,426,583.16
  4. Step 4: Simplify right side
    769,569,840.46x = 538,275,230,763,417,664
  5. Step 5: Solve for x
    x = 538,275,230,763,417,664/769,569,840.46
  6. Step 6: Final answer
    x = 699,449,487.84

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Double scale
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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.