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Finding the Fourth Proportional to 362,897,650.60, 544,346,475.90 and 217,778,828.20

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Solution

The fourth proportional to 362,897,650.60, 544,346,475.90 and 217,778,828.20 is: 326,668,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,897,650.60 : 544,346,475.90 = 217,778,828.20 : x
  2. Step 2: Convert to fraction form
    362,897,650.60/544,346,475.90 = 217,778,828.20/x
  3. Step 3: Cross multiply
    362,897,650.60x = 544,346,475.90 × 217,778,828.20
  4. Step 4: Simplify right side
    362,897,650.60x = 118,547,137,656,301,536
  5. Step 5: Solve for x
    x = 118,547,137,656,301,536/362,897,650.60
  6. Step 6: Final answer
    x = 326,668,242.30

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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.