Home / 478,956,443.40-718,224,713.10-220,085,627.40

Finding the Fourth Proportional to 478,956,443.40, 718,224,713.10 and 220,085,627.40

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Solution

The fourth proportional to 478,956,443.40, 718,224,713.10 and 220,085,627.40 is: 330,031,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,956,443.40 : 718,224,713.10 = 220,085,627.40 : x
  2. Step 2: Convert to fraction form
    478,956,443.40/718,224,713.10 = 220,085,627.40/x
  3. Step 3: Cross multiply
    478,956,443.40x = 718,224,713.10 × 220,085,627.40
  4. Step 4: Simplify right side
    478,956,443.40x = 158,070,936,596,798,496
  5. Step 5: Solve for x
    x = 158,070,936,596,798,496/478,956,443.40
  6. Step 6: Final answer
    x = 330,031,965.90

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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.