Home / 874,622,084.80-1,312,264,472.28-525,112,229.92

Finding the Fourth Proportional to 874,622,084.80, 1,312,264,472.28 and 525,112,229.92

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Solution

The fourth proportional to 874,622,084.80, 1,312,264,472.28 and 525,112,229.92 is: 787,867,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,622,084.80 : 1,312,264,472.28 = 525,112,229.92 : x
  2. Step 2: Convert to fraction form
    874,622,084.80/1,312,264,472.28 = 525,112,229.92/x
  3. Step 3: Cross multiply
    874,622,084.80x = 1,312,264,472.28 × 525,112,229.92
  4. Step 4: Simplify right side
    874,622,084.80x = 689,086,123,283,742,848
  5. Step 5: Solve for x
    x = 689,086,123,283,742,848/874,622,084.80
  6. Step 6: Final answer
    x = 787,867,280.35

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1.5x scale

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.