Home / 478,637,149.20-717,955,723.80-249,054,637.20

Finding the Fourth Proportional to 478,637,149.20, 717,955,723.80 and 249,054,637.20

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Solution

The fourth proportional to 478,637,149.20, 717,955,723.80 and 249,054,637.20 is: 373,581,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,637,149.20 : 717,955,723.80 = 249,054,637.20 : x
  2. Step 2: Convert to fraction form
    478,637,149.20/717,955,723.80 = 249,054,637.20/x
  3. Step 3: Cross multiply
    478,637,149.20x = 717,955,723.80 × 249,054,637.20
  4. Step 4: Simplify right side
    478,637,149.20x = 178,810,202,316,672,384
  5. Step 5: Solve for x
    x = 178,810,202,316,672,384/478,637,149.20
  6. Step 6: Final answer
    x = 373,581,955.80

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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.