Home / 805,950,001.65-1,206,909,463.28-644,706,865.65

Finding the Fourth Proportional to 805,950,001.65, 1,206,909,463.28 and 644,706,865.65

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Solution

The fourth proportional to 805,950,001.65, 1,206,909,463.28 and 644,706,865.65 is: 965,448,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,950,001.65 : 1,206,909,463.28 = 644,706,865.65 : x
  2. Step 2: Convert to fraction form
    805,950,001.65/1,206,909,463.28 = 644,706,865.65/x
  3. Step 3: Cross multiply
    805,950,001.65x = 1,206,909,463.28 × 644,706,865.65
  4. Step 4: Simplify right side
    805,950,001.65x = 778,102,817,191,349,120
  5. Step 5: Solve for x
    x = 778,102,817,191,349,120/805,950,001.65
  6. Step 6: Final answer
    x = 965,448,000.00

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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.