Home / 1,105,764,761.23-1,658,653,342.43-368,832,642.67

Finding the Fourth Proportional to 1,105,764,761.23, 1,658,653,342.43 and 368,832,642.67

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Solution

The fourth proportional to 1,105,764,761.23, 1,658,653,342.43 and 368,832,642.67 is: 553,251,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,764,761.23 : 1,658,653,342.43 = 368,832,642.67 : x
  2. Step 2: Convert to fraction form
    1,105,764,761.23/1,658,653,342.43 = 368,832,642.67/x
  3. Step 3: Cross multiply
    1,105,764,761.23x = 1,658,653,342.43 × 368,832,642.67
  4. Step 4: Simplify right side
    1,105,764,761.23x = 611,765,495,564,103,552
  5. Step 5: Solve for x
    x = 611,765,495,564,103,552/1,105,764,761.23
  6. Step 6: Final answer
    x = 553,251,032.24

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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.