Home / 1,042,173,089.52-1,438,223,852.77-565,883,531.46

Finding the Fourth Proportional to 1,042,173,089.52, 1,438,223,852.77 and 565,883,531.46

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Solution

The fourth proportional to 1,042,173,089.52, 1,438,223,852.77 and 565,883,531.46 is: 780,932,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,173,089.52 : 1,438,223,852.77 = 565,883,531.46 : x
  2. Step 2: Convert to fraction form
    1,042,173,089.52/1,438,223,852.77 = 565,883,531.46/x
  3. Step 3: Cross multiply
    1,042,173,089.52x = 1,438,223,852.77 × 565,883,531.46
  4. Step 4: Simplify right side
    1,042,173,089.52x = 813,867,192,827,857,920
  5. Step 5: Solve for x
    x = 813,867,192,827,857,920/1,042,173,089.52
  6. Step 6: Final answer
    x = 780,932,842.17

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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.