Home / 747,355,655.70-1,121,033,483.55-402,981,887.70

Finding the Fourth Proportional to 747,355,655.70, 1,121,033,483.55 and 402,981,887.70

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Solution

The fourth proportional to 747,355,655.70, 1,121,033,483.55 and 402,981,887.70 is: 604,472,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,355,655.70 : 1,121,033,483.55 = 402,981,887.70 : x
  2. Step 2: Convert to fraction form
    747,355,655.70/1,121,033,483.55 = 402,981,887.70/x
  3. Step 3: Cross multiply
    747,355,655.70x = 1,121,033,483.55 × 402,981,887.70
  4. Step 4: Simplify right side
    747,355,655.70x = 451,756,189,375,885,888
  5. Step 5: Solve for x
    x = 451,756,189,375,885,888/747,355,655.70
  6. Step 6: Final answer
    x = 604,472,831.55

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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.