Home / 974,908,318.94-1,345,373,480.27-557,229,572.30

Finding the Fourth Proportional to 974,908,318.94, 1,345,373,480.27 and 557,229,572.30

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Solution

The fourth proportional to 974,908,318.94, 1,345,373,480.27 and 557,229,572.30 is: 768,976,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,908,318.94 : 1,345,373,480.27 = 557,229,572.30 : x
  2. Step 2: Convert to fraction form
    974,908,318.94/1,345,373,480.27 = 557,229,572.30/x
  3. Step 3: Cross multiply
    974,908,318.94x = 1,345,373,480.27 × 557,229,572.30
  4. Step 4: Simplify right side
    974,908,318.94x = 749,681,888,985,101,568
  5. Step 5: Solve for x
    x = 749,681,888,985,101,568/974,908,318.94
  6. Step 6: Final answer
    x = 768,976,809.84

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Double scale
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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.