Home / 990,217,983.96-1,485,376,312.50-376,849,747.80

Finding the Fourth Proportional to 990,217,983.96, 1,485,376,312.50 and 376,849,747.80

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Solution

The fourth proportional to 990,217,983.96, 1,485,376,312.50 and 376,849,747.80 is: 565,293,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,217,983.96 : 1,485,376,312.50 = 376,849,747.80 : x
  2. Step 2: Convert to fraction form
    990,217,983.96/1,485,376,312.50 = 376,849,747.80/x
  3. Step 3: Cross multiply
    990,217,983.96x = 1,485,376,312.50 × 376,849,747.80
  4. Step 4: Simplify right side
    990,217,983.96x = 559,763,688,753,718,976
  5. Step 5: Solve for x
    x = 559,763,688,753,718,976/990,217,983.96
  6. Step 6: Final answer
    x = 565,293,397.84

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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.