Home / 49,155,111,570-67,812,437,291.40-28,822,188,824.40

Finding the Fourth Proportional to 49,155,111,570, 67,812,437,291.40 and 28,822,188,824.40

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Solution

The fourth proportional to 49,155,111,570, 67,812,437,291.40 and 28,822,188,824.40 is: 39,761,945,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,155,111,570 : 67,812,437,291.40 = 28,822,188,824.40 : x
  2. Step 2: Convert to fraction form
    49,155,111,570/67,812,437,291.40 = 28,822,188,824.40/x
  3. Step 3: Cross multiply
    49,155,111,570x = 67,812,437,291.40 × 28,822,188,824.40
  4. Step 4: Simplify right side
    49,155,111,570x = 1,954,502,872,255,515,066,368
  5. Step 5: Solve for x
    x = 1,954,502,872,255,515,066,368/49,155,111,570
  6. Step 6: Final answer
    x = 39,761,945,600.96

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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.