Home / 7,101,439,828.80-9,791,967,265.96-5,311,557,155.04

Finding the Fourth Proportional to 7,101,439,828.80, 9,791,967,265.96 and 5,311,557,155.04

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Solution

The fourth proportional to 7,101,439,828.80, 9,791,967,265.96 and 5,311,557,155.04 is: 7,323,950,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,439,828.80 : 9,791,967,265.96 = 5,311,557,155.04 : x
  2. Step 2: Convert to fraction form
    7,101,439,828.80/9,791,967,265.96 = 5,311,557,155.04/x
  3. Step 3: Cross multiply
    7,101,439,828.80x = 9,791,967,265.96 × 5,311,557,155.04
  4. Step 4: Simplify right side
    7,101,439,828.80x = 52,010,593,793,427,300,352
  5. Step 5: Solve for x
    x = 52,010,593,793,427,300,352/7,101,439,828.80
  6. Step 6: Final answer
    x = 7,323,950,501.21

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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.