Home / 859,626,319.82-1,186,288,338.65-488,368,723.10

Finding the Fourth Proportional to 859,626,319.82, 1,186,288,338.65 and 488,368,723.10

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Solution

The fourth proportional to 859,626,319.82, 1,186,288,338.65 and 488,368,723.10 is: 673,951,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,626,319.82 : 1,186,288,338.65 = 488,368,723.10 : x
  2. Step 2: Convert to fraction form
    859,626,319.82/1,186,288,338.65 = 488,368,723.10/x
  3. Step 3: Cross multiply
    859,626,319.82x = 1,186,288,338.65 × 488,368,723.10
  4. Step 4: Simplify right side
    859,626,319.82x = 579,346,121,166,547,584
  5. Step 5: Solve for x
    x = 579,346,121,166,547,584/859,626,319.82
  6. Step 6: Final answer
    x = 673,951,120.17

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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.