Home / 478,778,172.24-717,127,944.93-293,984,720.40

Finding the Fourth Proportional to 478,778,172.24, 717,127,944.93 and 293,984,720.40

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Solution

The fourth proportional to 478,778,172.24, 717,127,944.93 and 293,984,720.40 is: 440,338,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,778,172.24 : 717,127,944.93 = 293,984,720.40 : x
  2. Step 2: Convert to fraction form
    478,778,172.24/717,127,944.93 = 293,984,720.40/x
  3. Step 3: Cross multiply
    478,778,172.24x = 717,127,944.93 × 293,984,720.40
  4. Step 4: Simplify right side
    478,778,172.24x = 210,824,658,381,272,608
  5. Step 5: Solve for x
    x = 210,824,658,381,272,608/478,778,172.24
  6. Step 6: Final answer
    x = 440,338,909.76

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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.