Home / 999,974,683.20-1,499,962,024.80-344,924,443.20

Finding the Fourth Proportional to 999,974,683.20, 1,499,962,024.80 and 344,924,443.20

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Solution

The fourth proportional to 999,974,683.20, 1,499,962,024.80 and 344,924,443.20 is: 517,386,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,974,683.20 : 1,499,962,024.80 = 344,924,443.20 : x
  2. Step 2: Convert to fraction form
    999,974,683.20/1,499,962,024.80 = 344,924,443.20/x
  3. Step 3: Cross multiply
    999,974,683.20x = 1,499,962,024.80 × 344,924,443.20
  4. Step 4: Simplify right side
    999,974,683.20x = 517,373,566,225,284,544
  5. Step 5: Solve for x
    x = 517,373,566,225,284,544/999,974,683.20
  6. Step 6: Final answer
    x = 517,386,664.80

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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.