Home / 579,420,061.20-869,130,091.80-514,922,806.80

Finding the Fourth Proportional to 579,420,061.20, 869,130,091.80 and 514,922,806.80

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Solution

The fourth proportional to 579,420,061.20, 869,130,091.80 and 514,922,806.80 is: 772,384,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,420,061.20 : 869,130,091.80 = 514,922,806.80 : x
  2. Step 2: Convert to fraction form
    579,420,061.20/869,130,091.80 = 514,922,806.80/x
  3. Step 3: Cross multiply
    579,420,061.20x = 869,130,091.80 × 514,922,806.80
  4. Step 4: Simplify right side
    579,420,061.20x = 447,534,906,343,997,632
  5. Step 5: Solve for x
    x = 447,534,906,343,997,632/579,420,061.20
  6. Step 6: Final answer
    x = 772,384,210.20

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Double scale
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Similar ratio
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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.