Home / 974,908,317.43-1,345,373,478.19-557,229,570.79

Finding the Fourth Proportional to 974,908,317.43, 1,345,373,478.19 and 557,229,570.79

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Solution

The fourth proportional to 974,908,317.43, 1,345,373,478.19 and 557,229,570.79 is: 768,976,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,908,317.43 : 1,345,373,478.19 = 557,229,570.79 : x
  2. Step 2: Convert to fraction form
    974,908,317.43/1,345,373,478.19 = 557,229,570.79/x
  3. Step 3: Cross multiply
    974,908,317.43x = 1,345,373,478.19 × 557,229,570.79
  4. Step 4: Simplify right side
    974,908,317.43x = 749,681,885,806,117,888
  5. Step 5: Solve for x
    x = 749,681,885,806,117,888/974,908,317.43
  6. Step 6: Final answer
    x = 768,976,807.77

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Double scale
Find fourth proportional to 974,908,318.43, 1,345,373,479.57 and 557,229,571.79
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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.