Home / 904,796,581.50-1,248,720,625.35-547,761,152.70

Finding the Fourth Proportional to 904,796,581.50, 1,248,720,625.35 and 547,761,152.70

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Solution

The fourth proportional to 904,796,581.50, 1,248,720,625.35 and 547,761,152.70 is: 755,971,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,796,581.50 : 1,248,720,625.35 = 547,761,152.70 : x
  2. Step 2: Convert to fraction form
    904,796,581.50/1,248,720,625.35 = 547,761,152.70/x
  3. Step 3: Cross multiply
    904,796,581.50x = 1,248,720,625.35 × 547,761,152.70
  4. Step 4: Simplify right side
    904,796,581.50x = 684,000,649,141,980,800
  5. Step 5: Solve for x
    x = 684,000,649,141,980,800/904,796,581.50
  6. Step 6: Final answer
    x = 755,971,743.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.