Home / 359,009,036.20-495,348,088.94-217,877,128.46

Finding the Fourth Proportional to 359,009,036.20, 495,348,088.94 and 217,877,128.46

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Solution

The fourth proportional to 359,009,036.20, 495,348,088.94 and 217,877,128.46 is: 300,619,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,009,036.20 : 495,348,088.94 = 217,877,128.46 : x
  2. Step 2: Convert to fraction form
    359,009,036.20/495,348,088.94 = 217,877,128.46/x
  3. Step 3: Cross multiply
    359,009,036.20x = 495,348,088.94 × 217,877,128.46
  4. Step 4: Simplify right side
    359,009,036.20x = 107,925,019,206,395,888
  5. Step 5: Solve for x
    x = 107,925,019,206,395,888/359,009,036.20
  6. Step 6: Final answer
    x = 300,619,227.72

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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.