Home / 972,655,541.18-1,342,262,872.38-526,618,849.76

Finding the Fourth Proportional to 972,655,541.18, 1,342,262,872.38 and 526,618,849.76

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Solution

The fourth proportional to 972,655,541.18, 1,342,262,872.38 and 526,618,849.76 is: 726,733,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,655,541.18 : 1,342,262,872.38 = 526,618,849.76 : x
  2. Step 2: Convert to fraction form
    972,655,541.18/1,342,262,872.38 = 526,618,849.76/x
  3. Step 3: Cross multiply
    972,655,541.18x = 1,342,262,872.38 × 526,618,849.76
  4. Step 4: Simplify right side
    972,655,541.18x = 706,860,929,928,309,376
  5. Step 5: Solve for x
    x = 706,860,929,928,309,376/972,655,541.18
  6. Step 6: Final answer
    x = 726,733,051.94

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Double scale
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1.5x scale

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.