Home / 1,267,921,001.11-1,901,896,141.70-382,614,026.92

Finding the Fourth Proportional to 1,267,921,001.11, 1,901,896,141.70 and 382,614,026.92

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Solution

The fourth proportional to 1,267,921,001.11, 1,901,896,141.70 and 382,614,026.92 is: 573,925,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,921,001.11 : 1,901,896,141.70 = 382,614,026.92 : x
  2. Step 2: Convert to fraction form
    1,267,921,001.11/1,901,896,141.70 = 382,614,026.92/x
  3. Step 3: Cross multiply
    1,267,921,001.11x = 1,901,896,141.70 × 382,614,026.92
  4. Step 4: Simplify right side
    1,267,921,001.11x = 727,692,141,559,447,936
  5. Step 5: Solve for x
    x = 727,692,141,559,447,936/1,267,921,001.11
  6. Step 6: Final answer
    x = 573,925,458.23

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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.