Home / 1,146,421,213.68-1,717,111,213.92-947,429,407.92

Finding the Fourth Proportional to 1,146,421,213.68, 1,717,111,213.92 and 947,429,407.92

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Solution

The fourth proportional to 1,146,421,213.68, 1,717,111,213.92 and 947,429,407.92 is: 1,419,061,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,421,213.68 : 1,717,111,213.92 = 947,429,407.92 : x
  2. Step 2: Convert to fraction form
    1,146,421,213.68/1,717,111,213.92 = 947,429,407.92/x
  3. Step 3: Cross multiply
    1,146,421,213.68x = 1,717,111,213.92 × 947,429,407.92
  4. Step 4: Simplify right side
    1,146,421,213.68x = 1,626,841,660,737,018,112
  5. Step 5: Solve for x
    x = 1,626,841,660,737,018,112/1,146,421,213.68
  6. Step 6: Final answer
    x = 1,419,061,023.40

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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.