Home / 818,363,740.92-1,228,321,685.93-506,528,084.76

Finding the Fourth Proportional to 818,363,740.92, 1,228,321,685.93 and 506,528,084.76

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Solution

The fourth proportional to 818,363,740.92, 1,228,321,685.93 and 506,528,084.76 is: 760,272,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,363,740.92 : 1,228,321,685.93 = 506,528,084.76 : x
  2. Step 2: Convert to fraction form
    818,363,740.92/1,228,321,685.93 = 506,528,084.76/x
  3. Step 3: Cross multiply
    818,363,740.92x = 1,228,321,685.93 × 506,528,084.76
  4. Step 4: Simplify right side
    818,363,740.92x = 622,179,431,046,779,904
  5. Step 5: Solve for x
    x = 622,179,431,046,779,904/818,363,740.92
  6. Step 6: Final answer
    x = 760,272,480.24

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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.