Home / 515,146,330.86-710,837,369.64-348,245,732.04

Finding the Fourth Proportional to 515,146,330.86, 710,837,369.64 and 348,245,732.04

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Solution

The fourth proportional to 515,146,330.86, 710,837,369.64 and 348,245,732.04 is: 480,535,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,146,330.86 : 710,837,369.64 = 348,245,732.04 : x
  2. Step 2: Convert to fraction form
    515,146,330.86/710,837,369.64 = 348,245,732.04/x
  3. Step 3: Cross multiply
    515,146,330.86x = 710,837,369.64 × 348,245,732.04
  4. Step 4: Simplify right side
    515,146,330.86x = 247,546,080,151,669,888
  5. Step 5: Solve for x
    x = 247,546,080,151,669,888/515,146,330.86
  6. Step 6: Final answer
    x = 480,535,462.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.