Home / 1,577,955,981.39-2,177,581,805.24-873,137,669.55

Finding the Fourth Proportional to 1,577,955,981.39, 2,177,581,805.24 and 873,137,669.55

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Solution

The fourth proportional to 1,577,955,981.39, 2,177,581,805.24 and 873,137,669.55 is: 1,204,931,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,955,981.39 : 2,177,581,805.24 = 873,137,669.55 : x
  2. Step 2: Convert to fraction form
    1,577,955,981.39/2,177,581,805.24 = 873,137,669.55/x
  3. Step 3: Cross multiply
    1,577,955,981.39x = 2,177,581,805.24 × 873,137,669.55
  4. Step 4: Simplify right side
    1,577,955,981.39x = 1,901,328,702,677,369,856
  5. Step 5: Solve for x
    x = 1,901,328,702,677,369,856/1,577,955,981.39
  6. Step 6: Final answer
    x = 1,204,931,395.49

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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.