Home / 810,225,432.60-1,118,112,231.54-438,947,463.98

Finding the Fourth Proportional to 810,225,432.60, 1,118,112,231.54 and 438,947,463.98

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Solution

The fourth proportional to 810,225,432.60, 1,118,112,231.54 and 438,947,463.98 is: 605,748,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,225,432.60 : 1,118,112,231.54 = 438,947,463.98 : x
  2. Step 2: Convert to fraction form
    810,225,432.60/1,118,112,231.54 = 438,947,463.98/x
  3. Step 3: Cross multiply
    810,225,432.60x = 1,118,112,231.54 × 438,947,463.98
  4. Step 4: Simplify right side
    810,225,432.60x = 490,792,528,479,501,568
  5. Step 5: Solve for x
    x = 490,792,528,479,501,568/810,225,432.60
  6. Step 6: Final answer
    x = 605,748,114.95

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Double scale
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1.5x scale

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.