Home / 1,306,935,590.29-1,803,518,636.30-712,207,398.89

Finding the Fourth Proportional to 1,306,935,590.29, 1,803,518,636.30 and 712,207,398.89

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Solution

The fourth proportional to 1,306,935,590.29, 1,803,518,636.30 and 712,207,398.89 is: 982,817,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,935,590.29 : 1,803,518,636.30 = 712,207,398.89 : x
  2. Step 2: Convert to fraction form
    1,306,935,590.29/1,803,518,636.30 = 712,207,398.89/x
  3. Step 3: Cross multiply
    1,306,935,590.29x = 1,803,518,636.30 × 712,207,398.89
  4. Step 4: Simplify right side
    1,306,935,590.29x = 1,284,479,316,804,411,392
  5. Step 5: Solve for x
    x = 1,284,479,316,804,411,392/1,306,935,590.29
  6. Step 6: Final answer
    x = 982,817,612.70

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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.