Home / 709,867,601.20-1,064,799,973.92-666,669,925.44

Finding the Fourth Proportional to 709,867,601.20, 1,064,799,973.92 and 666,669,925.44

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Solution

The fourth proportional to 709,867,601.20, 1,064,799,973.92 and 666,669,925.44 is: 1,000,003,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,867,601.20 : 1,064,799,973.92 = 666,669,925.44 : x
  2. Step 2: Convert to fraction form
    709,867,601.20/1,064,799,973.92 = 666,669,925.44/x
  3. Step 3: Cross multiply
    709,867,601.20x = 1,064,799,973.92 × 666,669,925.44
  4. Step 4: Simplify right side
    709,867,601.20x = 709,870,119,221,760,384
  5. Step 5: Solve for x
    x = 709,870,119,221,760,384/709,867,601.20
  6. Step 6: Final answer
    x = 1,000,003,547.17

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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.