Home / 770,913,957,221.05-1,063,886,774,584-423,696,543,417.28

Finding the Fourth Proportional to 770,913,957,221.05, 1,063,886,774,584 and 423,696,543,417.28

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Solution

The fourth proportional to 770,913,957,221.05, 1,063,886,774,584 and 423,696,543,417.28 is: 584,715,252,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,913,957,221.05 : 1,063,886,774,584 = 423,696,543,417.28 : x
  2. Step 2: Convert to fraction form
    770,913,957,221.05/1,063,886,774,584 = 423,696,543,417.28/x
  3. Step 3: Cross multiply
    770,913,957,221.05x = 1,063,886,774,584 × 423,696,543,417.28
  4. Step 4: Simplify right side
    770,913,957,221.05x = 450,765,148,978,599,744,765,952
  5. Step 5: Solve for x
    x = 450,765,148,978,599,744,765,952/770,913,957,221.05
  6. Step 6: Final answer
    x = 584,715,252,274.71

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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.