Home / 359,279,916.91-495,812,742.65-210,708,194.92

Finding the Fourth Proportional to 359,279,916.91, 495,812,742.65 and 210,708,194.92

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Solution

The fourth proportional to 359,279,916.91, 495,812,742.65 and 210,708,194.92 is: 290,781,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,279,916.91 : 495,812,742.65 = 210,708,194.92 : x
  2. Step 2: Convert to fraction form
    359,279,916.91/495,812,742.65 = 210,708,194.92/x
  3. Step 3: Cross multiply
    359,279,916.91x = 495,812,742.65 × 210,708,194.92
  4. Step 4: Simplify right side
    359,279,916.91x = 104,471,808,021,062,448
  5. Step 5: Solve for x
    x = 104,471,808,021,062,448/359,279,916.91
  6. Step 6: Final answer
    x = 290,781,096.03

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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.