Home / 971,157,104.12-1,457,213,964.04-453,512,312.48

Finding the Fourth Proportional to 971,157,104.12, 1,457,213,964.04 and 453,512,312.48

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Solution

The fourth proportional to 971,157,104.12, 1,457,213,964.04 and 453,512,312.48 is: 680,491,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,157,104.12 : 1,457,213,964.04 = 453,512,312.48 : x
  2. Step 2: Convert to fraction form
    971,157,104.12/1,457,213,964.04 = 453,512,312.48/x
  3. Step 3: Cross multiply
    971,157,104.12x = 1,457,213,964.04 × 453,512,312.48
  4. Step 4: Simplify right side
    971,157,104.12x = 660,864,474,609,927,936
  5. Step 5: Solve for x
    x = 660,864,474,609,927,936/971,157,104.12
  6. Step 6: Final answer
    x = 680,491,829.60

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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.