Home / 746,627,321.20-1,119,940,981.80-517,044,809.20

Finding the Fourth Proportional to 746,627,321.20, 1,119,940,981.80 and 517,044,809.20

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Solution

The fourth proportional to 746,627,321.20, 1,119,940,981.80 and 517,044,809.20 is: 775,567,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,627,321.20 : 1,119,940,981.80 = 517,044,809.20 : x
  2. Step 2: Convert to fraction form
    746,627,321.20/1,119,940,981.80 = 517,044,809.20/x
  3. Step 3: Cross multiply
    746,627,321.20x = 1,119,940,981.80 × 517,044,809.20
  4. Step 4: Simplify right side
    746,627,321.20x = 579,059,671,250,041,600
  5. Step 5: Solve for x
    x = 579,059,671,250,041,600/746,627,321.20
  6. Step 6: Final answer
    x = 775,567,213.80

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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.