Home / 805,006,558,479.30-1,207,420,339,276.20-288,087,201,429.16

Finding the Fourth Proportional to 805,006,558,479.30, 1,207,420,339,276.20 and 288,087,201,429.16

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Solution

The fourth proportional to 805,006,558,479.30, 1,207,420,339,276.20 and 288,087,201,429.16 is: 432,098,773,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,006,558,479.30 : 1,207,420,339,276.20 = 288,087,201,429.16 : x
  2. Step 2: Convert to fraction form
    805,006,558,479.30/1,207,420,339,276.20 = 288,087,201,429.16/x
  3. Step 3: Cross multiply
    805,006,558,479.30x = 1,207,420,339,276.20 × 288,087,201,429.16
  4. Step 4: Simplify right side
    805,006,558,479.30x = 347,842,346,490,727,292,207,104
  5. Step 5: Solve for x
    x = 347,842,346,490,727,292,207,104/805,006,558,479.30
  6. Step 6: Final answer
    x = 432,098,773,391.14

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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.