Home / 345,087,451.86-517,888,259.64-253,208,607.54

Finding the Fourth Proportional to 345,087,451.86, 517,888,259.64 and 253,208,607.54

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Solution

The fourth proportional to 345,087,451.86, 517,888,259.64 and 253,208,607.54 is: 380,001,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,087,451.86 : 517,888,259.64 = 253,208,607.54 : x
  2. Step 2: Convert to fraction form
    345,087,451.86/517,888,259.64 = 253,208,607.54/x
  3. Step 3: Cross multiply
    345,087,451.86x = 517,888,259.64 × 253,208,607.54
  4. Step 4: Simplify right side
    345,087,451.86x = 131,133,765,084,758,368
  5. Step 5: Solve for x
    x = 131,133,765,084,758,368/345,087,451.86
  6. Step 6: Final answer
    x = 380,001,545.63

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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.