Home / 409,084,877.40-564,533,391.42-223,445,837.40

Finding the Fourth Proportional to 409,084,877.40, 564,533,391.42 and 223,445,837.40

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Solution

The fourth proportional to 409,084,877.40, 564,533,391.42 and 223,445,837.40 is: 308,353,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,084,877.40 : 564,533,391.42 = 223,445,837.40 : x
  2. Step 2: Convert to fraction form
    409,084,877.40/564,533,391.42 = 223,445,837.40/x
  3. Step 3: Cross multiply
    409,084,877.40x = 564,533,391.42 × 223,445,837.40
  4. Step 4: Simplify right side
    409,084,877.40x = 126,142,636,386,103,872
  5. Step 5: Solve for x
    x = 126,142,636,386,103,872/409,084,877.40
  6. Step 6: Final answer
    x = 308,353,213.12

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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.