Home / 515,034,667.60-772,552,001.40-242,936,875.60

Finding the Fourth Proportional to 515,034,667.60, 772,552,001.40 and 242,936,875.60

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Solution

The fourth proportional to 515,034,667.60, 772,552,001.40 and 242,936,875.60 is: 364,405,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,034,667.60 : 772,552,001.40 = 242,936,875.60 : x
  2. Step 2: Convert to fraction form
    515,034,667.60/772,552,001.40 = 242,936,875.60/x
  3. Step 3: Cross multiply
    515,034,667.60x = 772,552,001.40 × 242,936,875.60
  4. Step 4: Simplify right side
    515,034,667.60x = 187,681,369,458,642,816
  5. Step 5: Solve for x
    x = 187,681,369,458,642,816/515,034,667.60
  6. Step 6: Final answer
    x = 364,405,313.40

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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.