Home / 900,467,525.86-1,241,658,407.18-586,619,728.90

Finding the Fourth Proportional to 900,467,525.86, 1,241,658,407.18 and 586,619,728.90

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Solution

The fourth proportional to 900,467,525.86, 1,241,658,407.18 and 586,619,728.90 is: 808,892,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,467,525.86 : 1,241,658,407.18 = 586,619,728.90 : x
  2. Step 2: Convert to fraction form
    900,467,525.86/1,241,658,407.18 = 586,619,728.90/x
  3. Step 3: Cross multiply
    900,467,525.86x = 1,241,658,407.18 × 586,619,728.90
  4. Step 4: Simplify right side
    900,467,525.86x = 728,381,318,206,337,408
  5. Step 5: Solve for x
    x = 728,381,318,206,337,408/900,467,525.86
  6. Step 6: Final answer
    x = 808,892,377.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.