Home / 908,349,672.60-1,363,162,238.10-391,151,291.40

Finding the Fourth Proportional to 908,349,672.60, 1,363,162,238.10 and 391,151,291.40

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Solution

The fourth proportional to 908,349,672.60, 1,363,162,238.10 and 391,151,291.40 is: 587,001,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,349,672.60 : 1,363,162,238.10 = 391,151,291.40 : x
  2. Step 2: Convert to fraction form
    908,349,672.60/1,363,162,238.10 = 391,151,291.40/x
  3. Step 3: Cross multiply
    908,349,672.60x = 1,363,162,238.10 × 391,151,291.40
  4. Step 4: Simplify right side
    908,349,672.60x = 533,202,669,820,529,216
  5. Step 5: Solve for x
    x = 533,202,669,820,529,216/908,349,672.60
  6. Step 6: Final answer
    x = 587,001,554.47

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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.