Home / 508,477,253.40-762,722,966.22-144,971,609.40

Finding the Fourth Proportional to 508,477,253.40, 762,722,966.22 and 144,971,609.40

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Solution

The fourth proportional to 508,477,253.40, 762,722,966.22 and 144,971,609.40 is: 217,459,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477,253.40 : 762,722,966.22 = 144,971,609.40 : x
  2. Step 2: Convert to fraction form
    508,477,253.40/762,722,966.22 = 144,971,609.40/x
  3. Step 3: Cross multiply
    508,477,253.40x = 762,722,966.22 × 144,971,609.40
  4. Step 4: Simplify right side
    508,477,253.40x = 110,573,175,939,255,248
  5. Step 5: Solve for x
    x = 110,573,175,939,255,248/508,477,253.40
  6. Step 6: Final answer
    x = 217,459,434.42

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1.5x scale

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.