Home / 220,338,466,643.56-330,506,590,565.96-86,046,593,616.76

Finding the Fourth Proportional to 220,338,466,643.56, 330,506,590,565.96 and 86,046,593,616.76

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Solution

The fourth proportional to 220,338,466,643.56, 330,506,590,565.96 and 86,046,593,616.76 is: 129,069,457,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,338,466,643.56 : 330,506,590,565.96 = 86,046,593,616.76 : x
  2. Step 2: Convert to fraction form
    220,338,466,643.56/330,506,590,565.96 = 86,046,593,616.76/x
  3. Step 3: Cross multiply
    220,338,466,643.56x = 330,506,590,565.96 × 86,046,593,616.76
  4. Step 4: Simplify right side
    220,338,466,643.56x = 28,438,966,286,090,042,867,712
  5. Step 5: Solve for x
    x = 28,438,966,286,090,042,867,712/220,338,466,643.56
  6. Step 6: Final answer
    x = 129,069,457,182.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.