Home / 680,232,812.60-1,020,349,218.90-544,183,916.60

Finding the Fourth Proportional to 680,232,812.60, 1,020,349,218.90 and 544,183,916.60

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Solution

The fourth proportional to 680,232,812.60, 1,020,349,218.90 and 544,183,916.60 is: 816,275,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,232,812.60 : 1,020,349,218.90 = 544,183,916.60 : x
  2. Step 2: Convert to fraction form
    680,232,812.60/1,020,349,218.90 = 544,183,916.60/x
  3. Step 3: Cross multiply
    680,232,812.60x = 1,020,349,218.90 × 544,183,916.60
  4. Step 4: Simplify right side
    680,232,812.60x = 555,257,634,240,752,768
  5. Step 5: Solve for x
    x = 555,257,634,240,752,768/680,232,812.60
  6. Step 6: Final answer
    x = 816,275,874.90

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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.