Home / 499,057,316.90-748,636,000.95-171,489,688.10

Finding the Fourth Proportional to 499,057,316.90, 748,636,000.95 and 171,489,688.10

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Solution

The fourth proportional to 499,057,316.90, 748,636,000.95 and 171,489,688.10 is: 257,251,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,057,316.90 : 748,636,000.95 = 171,489,688.10 : x
  2. Step 2: Convert to fraction form
    499,057,316.90/748,636,000.95 = 171,489,688.10/x
  3. Step 3: Cross multiply
    499,057,316.90x = 748,636,000.95 × 171,489,688.10
  4. Step 4: Simplify right side
    499,057,316.90x = 128,383,354,303,346,800
  5. Step 5: Solve for x
    x = 128,383,354,303,346,800/499,057,316.90
  6. Step 6: Final answer
    x = 257,251,722.31

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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.