Home / 508,477,254.40-762,722,967.72-144,971,610.40

Finding the Fourth Proportional to 508,477,254.40, 762,722,967.72 and 144,971,610.40

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Solution

The fourth proportional to 508,477,254.40, 762,722,967.72 and 144,971,610.40 is: 217,459,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477,254.40 : 762,722,967.72 = 144,971,610.40 : x
  2. Step 2: Convert to fraction form
    508,477,254.40/762,722,967.72 = 144,971,610.40/x
  3. Step 3: Cross multiply
    508,477,254.40x = 762,722,967.72 × 144,971,610.40
  4. Step 4: Simplify right side
    508,477,254.40x = 110,573,176,919,435,632
  5. Step 5: Solve for x
    x = 110,573,176,919,435,632/508,477,254.40
  6. Step 6: Final answer
    x = 217,459,435.92

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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.