Home / 346,721,289,916.76-519,957,162,369.84-120,019,145,621.48

Finding the Fourth Proportional to 346,721,289,916.76, 519,957,162,369.84 and 120,019,145,621.48

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Solution

The fourth proportional to 346,721,289,916.76, 519,957,162,369.84 and 120,019,145,621.48 is: 179,985,527,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,721,289,916.76 : 519,957,162,369.84 = 120,019,145,621.48 : x
  2. Step 2: Convert to fraction form
    346,721,289,916.76/519,957,162,369.84 = 120,019,145,621.48/x
  3. Step 3: Cross multiply
    346,721,289,916.76x = 519,957,162,369.84 × 120,019,145,621.48
  4. Step 4: Simplify right side
    346,721,289,916.76x = 62,404,814,387,397,347,246,080
  5. Step 5: Solve for x
    x = 62,404,814,387,397,347,246,080/346,721,289,916.76
  6. Step 6: Final answer
    x = 179,985,527,864.12

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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.