Home / 1,688,162,269.34-2,329,677,610.31-935,488,017.35

Finding the Fourth Proportional to 1,688,162,269.34, 2,329,677,610.31 and 935,488,017.35

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Solution

The fourth proportional to 1,688,162,269.34, 2,329,677,610.31 and 935,488,017.35 is: 1,290,981,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,162,269.34 : 2,329,677,610.31 = 935,488,017.35 : x
  2. Step 2: Convert to fraction form
    1,688,162,269.34/2,329,677,610.31 = 935,488,017.35/x
  3. Step 3: Cross multiply
    1,688,162,269.34x = 2,329,677,610.31 × 935,488,017.35
  4. Step 4: Simplify right side
    1,688,162,269.34x = 2,179,385,488,733,587,712
  5. Step 5: Solve for x
    x = 2,179,385,488,733,587,712/1,688,162,269.34
  6. Step 6: Final answer
    x = 1,290,981,043.89

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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.