Home / 753,436,326.52-1,127,944,477.83-528,307,385.98

Finding the Fourth Proportional to 753,436,326.52, 1,127,944,477.83 and 528,307,385.98

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Solution

The fourth proportional to 753,436,326.52, 1,127,944,477.83 and 528,307,385.98 is: 790,911,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,436,326.52 : 1,127,944,477.83 = 528,307,385.98 : x
  2. Step 2: Convert to fraction form
    753,436,326.52/1,127,944,477.83 = 528,307,385.98/x
  3. Step 3: Cross multiply
    753,436,326.52x = 1,127,944,477.83 × 528,307,385.98
  4. Step 4: Simplify right side
    753,436,326.52x = 595,901,398,612,943,360
  5. Step 5: Solve for x
    x = 595,901,398,612,943,360/753,436,326.52
  6. Step 6: Final answer
    x = 790,911,424.94

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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.