Home / 472,406,530.30-708,609,795.45-165,729,643.90

Finding the Fourth Proportional to 472,406,530.30, 708,609,795.45 and 165,729,643.90

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Solution

The fourth proportional to 472,406,530.30, 708,609,795.45 and 165,729,643.90 is: 248,594,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,406,530.30 : 708,609,795.45 = 165,729,643.90 : x
  2. Step 2: Convert to fraction form
    472,406,530.30/708,609,795.45 = 165,729,643.90/x
  3. Step 3: Cross multiply
    472,406,530.30x = 708,609,795.45 × 165,729,643.90
  4. Step 4: Simplify right side
    472,406,530.30x = 117,437,649,063,980,352
  5. Step 5: Solve for x
    x = 117,437,649,063,980,352/472,406,530.30
  6. Step 6: Final answer
    x = 248,594,465.85

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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.