Home / 79,620,717,827.17-109,876,586,399.35-42,998,829,655.17

Finding the Fourth Proportional to 79,620,717,827.17, 109,876,586,399.35 and 42,998,829,655.17

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Solution

The fourth proportional to 79,620,717,827.17, 109,876,586,399.35 and 42,998,829,655.17 is: 59,338,382,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,620,717,827.17 : 109,876,586,399.35 = 42,998,829,655.17 : x
  2. Step 2: Convert to fraction form
    79,620,717,827.17/109,876,586,399.35 = 42,998,829,655.17/x
  3. Step 3: Cross multiply
    79,620,717,827.17x = 109,876,586,399.35 × 42,998,829,655.17
  4. Step 4: Simplify right side
    79,620,717,827.17x = 4,724,564,621,677,219,020,800
  5. Step 5: Solve for x
    x = 4,724,564,621,677,219,020,800/79,620,717,827.17
  6. Step 6: Final answer
    x = 59,338,382,654.79

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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.