Home / 390,955,029.55-586,148,214.13-183,586,585.28

Finding the Fourth Proportional to 390,955,029.55, 586,148,214.13 and 183,586,585.28

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Solution

The fourth proportional to 390,955,029.55, 586,148,214.13 and 183,586,585.28 is: 275,246,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,955,029.55 : 586,148,214.13 = 183,586,585.28 : x
  2. Step 2: Convert to fraction form
    390,955,029.55/586,148,214.13 = 183,586,585.28/x
  3. Step 3: Cross multiply
    390,955,029.55x = 586,148,214.13 × 183,586,585.28
  4. Step 4: Simplify right side
    390,955,029.55x = 107,608,949,098,877,872
  5. Step 5: Solve for x
    x = 107,608,949,098,877,872/390,955,029.55
  6. Step 6: Final answer
    x = 275,246,360.74

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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.