Home / 478,588,710.30-717,883,065.45-409,713,956.70

Finding the Fourth Proportional to 478,588,710.30, 717,883,065.45 and 409,713,956.70

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Solution

The fourth proportional to 478,588,710.30, 717,883,065.45 and 409,713,956.70 is: 614,570,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,588,710.30 : 717,883,065.45 = 409,713,956.70 : x
  2. Step 2: Convert to fraction form
    478,588,710.30/717,883,065.45 = 409,713,956.70/x
  3. Step 3: Cross multiply
    478,588,710.30x = 717,883,065.45 × 409,713,956.70
  4. Step 4: Simplify right side
    478,588,710.30x = 294,126,711,193,444,608
  5. Step 5: Solve for x
    x = 294,126,711,193,444,608/478,588,710.30
  6. Step 6: Final answer
    x = 614,570,935.05

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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.