Home / 469,341,312.72-647,686,251-260,499,258.96

Finding the Fourth Proportional to 469,341,312.72, 647,686,251 and 260,499,258.96

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Solution

The fourth proportional to 469,341,312.72, 647,686,251 and 260,499,258.96 is: 359,486,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,341,312.72 : 647,686,251 = 260,499,258.96 : x
  2. Step 2: Convert to fraction form
    469,341,312.72/647,686,251 = 260,499,258.96/x
  3. Step 3: Cross multiply
    469,341,312.72x = 647,686,251 × 260,499,258.96
  4. Step 4: Simplify right side
    469,341,312.72x = 168,721,788,424,080,576
  5. Step 5: Solve for x
    x = 168,721,788,424,080,576/469,341,312.72
  6. Step 6: Final answer
    x = 359,486,335.11

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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.