Home / 974,908,318.43-1,345,373,479.57-557,229,571.79

Finding the Fourth Proportional to 974,908,318.43, 1,345,373,479.57 and 557,229,571.79

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Solution

The fourth proportional to 974,908,318.43, 1,345,373,479.57 and 557,229,571.79 is: 768,976,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,908,318.43 : 1,345,373,479.57 = 557,229,571.79 : x
  2. Step 2: Convert to fraction form
    974,908,318.43/1,345,373,479.57 = 557,229,571.79/x
  3. Step 3: Cross multiply
    974,908,318.43x = 1,345,373,479.57 × 557,229,571.79
  4. Step 4: Simplify right side
    974,908,318.43x = 749,681,887,918,413,312
  5. Step 5: Solve for x
    x = 749,681,887,918,413,312/974,908,318.43
  6. Step 6: Final answer
    x = 768,976,809.15

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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.