Home / 749,935,505.23-1,124,957,066.24-258,641,550.36

Finding the Fourth Proportional to 749,935,505.23, 1,124,957,066.24 and 258,641,550.36

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Solution

The fourth proportional to 749,935,505.23, 1,124,957,066.24 and 258,641,550.36 is: 387,980,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,935,505.23 : 1,124,957,066.24 = 258,641,550.36 : x
  2. Step 2: Convert to fraction form
    749,935,505.23/1,124,957,066.24 = 258,641,550.36/x
  3. Step 3: Cross multiply
    749,935,505.23x = 1,124,957,066.24 × 258,641,550.36
  4. Step 4: Simplify right side
    749,935,505.23x = 290,960,639,701,397,440
  5. Step 5: Solve for x
    x = 290,960,639,701,397,440/749,935,505.23
  6. Step 6: Final answer
    x = 387,980,883.25

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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.