Home / 286,272,000.30-429,408,000.45-70,861,248.30

Finding the Fourth Proportional to 286,272,000.30, 429,408,000.45 and 70,861,248.30

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Solution

The fourth proportional to 286,272,000.30, 429,408,000.45 and 70,861,248.30 is: 106,291,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,272,000.30 : 429,408,000.45 = 70,861,248.30 : x
  2. Step 2: Convert to fraction form
    286,272,000.30/429,408,000.45 = 70,861,248.30/x
  3. Step 3: Cross multiply
    286,272,000.30x = 429,408,000.45 × 70,861,248.30
  4. Step 4: Simplify right side
    286,272,000.30x = 30,428,386,941,893,960
  5. Step 5: Solve for x
    x = 30,428,386,941,893,960/286,272,000.30
  6. Step 6: Final answer
    x = 106,291,872.45

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1.5x scale

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.