Home / 557,567,999.20-836,351,998.80-499,117,362.40

Finding the Fourth Proportional to 557,567,999.20, 836,351,998.80 and 499,117,362.40

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Solution

The fourth proportional to 557,567,999.20, 836,351,998.80 and 499,117,362.40 is: 748,676,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,567,999.20 : 836,351,998.80 = 499,117,362.40 : x
  2. Step 2: Convert to fraction form
    557,567,999.20/836,351,998.80 = 499,117,362.40/x
  3. Step 3: Cross multiply
    557,567,999.20x = 836,351,998.80 × 499,117,362.40
  4. Step 4: Simplify right side
    557,567,999.20x = 417,437,803,679,023,936
  5. Step 5: Solve for x
    x = 417,437,803,679,023,936/557,567,999.20
  6. Step 6: Final answer
    x = 748,676,043.60

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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.