Home / 345,087,448.11-517,888,254.02-253,208,603.79

Finding the Fourth Proportional to 345,087,448.11, 517,888,254.02 and 253,208,603.79

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Solution

The fourth proportional to 345,087,448.11, 517,888,254.02 and 253,208,603.79 is: 380,001,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,087,448.11 : 517,888,254.02 = 253,208,603.79 : x
  2. Step 2: Convert to fraction form
    345,087,448.11/517,888,254.02 = 253,208,603.79/x
  3. Step 3: Cross multiply
    345,087,448.11x = 517,888,254.02 × 253,208,603.79
  4. Step 4: Simplify right side
    345,087,448.11x = 131,133,761,718,379,008
  5. Step 5: Solve for x
    x = 131,133,761,718,379,008/345,087,448.11
  6. Step 6: Final answer
    x = 380,001,540.01

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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.