Home / 770,913,957,443.40-1,063,886,774,891.10-423,696,543,639.69

Finding the Fourth Proportional to 770,913,957,443.40, 1,063,886,774,891.10 and 423,696,543,639.69

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Solution

The fourth proportional to 770,913,957,443.40, 1,063,886,774,891.10 and 423,696,543,639.69 is: 584,715,252,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,913,957,443.40 : 1,063,886,774,891.10 = 423,696,543,639.69 : x
  2. Step 2: Convert to fraction form
    770,913,957,443.40/1,063,886,774,891.10 = 423,696,543,639.69/x
  3. Step 3: Cross multiply
    770,913,957,443.40x = 1,063,886,774,891.10 × 423,696,543,639.69
  4. Step 4: Simplify right side
    770,913,957,443.40x = 450,765,149,345,335,996,317,696
  5. Step 5: Solve for x
    x = 450,765,149,345,335,996,317,696/770,913,957,443.40
  6. Step 6: Final answer
    x = 584,715,252,581.78

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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.