Home / 971,538,803.32-1,457,307,062.88-316,488,757.72

Finding the Fourth Proportional to 971,538,803.32, 1,457,307,062.88 and 316,488,757.72

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Solution

The fourth proportional to 971,538,803.32, 1,457,307,062.88 and 316,488,757.72 is: 474,732,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,538,803.32 : 1,457,307,062.88 = 316,488,757.72 : x
  2. Step 2: Convert to fraction form
    971,538,803.32/1,457,307,062.88 = 316,488,757.72/x
  3. Step 3: Cross multiply
    971,538,803.32x = 1,457,307,062.88 × 316,488,757.72
  4. Step 4: Simplify right side
    971,538,803.32x = 461,221,301,947,473,216
  5. Step 5: Solve for x
    x = 461,221,301,947,473,216/971,538,803.32
  6. Step 6: Final answer
    x = 474,732,764.53

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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.