Home / 900,330,875.34-1,350,471,118.77-286,951,908.30

Finding the Fourth Proportional to 900,330,875.34, 1,350,471,118.77 and 286,951,908.30

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Solution

The fourth proportional to 900,330,875.34, 1,350,471,118.77 and 286,951,908.30 is: 430,419,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,330,875.34 : 1,350,471,118.77 = 286,951,908.30 : x
  2. Step 2: Convert to fraction form
    900,330,875.34/1,350,471,118.77 = 286,951,908.30/x
  3. Step 3: Cross multiply
    900,330,875.34x = 1,350,471,118.77 × 286,951,908.30
  4. Step 4: Simplify right side
    900,330,875.34x = 387,520,264,635,087,488
  5. Step 5: Solve for x
    x = 387,520,264,635,087,488/900,330,875.34
  6. Step 6: Final answer
    x = 430,419,832.59

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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.