Home / 974,908,307.77-1,345,373,464.75-557,229,561.23

Finding the Fourth Proportional to 974,908,307.77, 1,345,373,464.75 and 557,229,561.23

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Solution

The fourth proportional to 974,908,307.77, 1,345,373,464.75 and 557,229,561.23 is: 768,976,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,908,307.77 : 1,345,373,464.75 = 557,229,561.23 : x
  2. Step 2: Convert to fraction form
    974,908,307.77/1,345,373,464.75 = 557,229,561.23/x
  3. Step 3: Cross multiply
    974,908,307.77x = 1,345,373,464.75 × 557,229,561.23
  4. Step 4: Simplify right side
    974,908,307.77x = 749,681,865,455,097,600
  5. Step 5: Solve for x
    x = 749,681,865,455,097,600/974,908,307.77
  6. Step 6: Final answer
    x = 768,976,794.52

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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.