Home / 1,429,591,831.60-2,144,387,747.40-509,136,019.60

Finding the Fourth Proportional to 1,429,591,831.60, 2,144,387,747.40 and 509,136,019.60

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Solution

The fourth proportional to 1,429,591,831.60, 2,144,387,747.40 and 509,136,019.60 is: 763,704,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,591,831.60 : 2,144,387,747.40 = 509,136,019.60 : x
  2. Step 2: Convert to fraction form
    1,429,591,831.60/2,144,387,747.40 = 509,136,019.60/x
  3. Step 3: Cross multiply
    1,429,591,831.60x = 2,144,387,747.40 × 509,136,019.60
  4. Step 4: Simplify right side
    1,429,591,831.60x = 1,091,785,042,190,246,400
  5. Step 5: Solve for x
    x = 1,091,785,042,190,246,400/1,429,591,831.60
  6. Step 6: Final answer
    x = 763,704,029.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.