Home / 478,530,564.10-717,795,846.15-155,447,095.30

Finding the Fourth Proportional to 478,530,564.10, 717,795,846.15 and 155,447,095.30

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Solution

The fourth proportional to 478,530,564.10, 717,795,846.15 and 155,447,095.30 is: 233,170,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,530,564.10 : 717,795,846.15 = 155,447,095.30 : x
  2. Step 2: Convert to fraction form
    478,530,564.10/717,795,846.15 = 155,447,095.30/x
  3. Step 3: Cross multiply
    478,530,564.10x = 717,795,846.15 × 155,447,095.30
  4. Step 4: Simplify right side
    478,530,564.10x = 111,579,279,302,423,200
  5. Step 5: Solve for x
    x = 111,579,279,302,423,200/478,530,564.10
  6. Step 6: Final answer
    x = 233,170,642.95

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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.