Home / 317,873,574.92-438,566,944.02-185,619,168.20

Finding the Fourth Proportional to 317,873,574.92, 438,566,944.02 and 185,619,168.20

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Solution

The fourth proportional to 317,873,574.92, 438,566,944.02 and 185,619,168.20 is: 256,096,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,873,574.92 : 438,566,944.02 = 185,619,168.20 : x
  2. Step 2: Convert to fraction form
    317,873,574.92/438,566,944.02 = 185,619,168.20/x
  3. Step 3: Cross multiply
    317,873,574.92x = 438,566,944.02 × 185,619,168.20
  4. Step 4: Simplify right side
    317,873,574.92x = 81,406,431,349,008,352
  5. Step 5: Solve for x
    x = 81,406,431,349,008,352/317,873,574.92
  6. Step 6: Final answer
    x = 256,096,881.82

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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.