Home / 580,629,810.60-870,944,715.90-217,076,927.40

Finding the Fourth Proportional to 580,629,810.60, 870,944,715.90 and 217,076,927.40

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Solution

The fourth proportional to 580,629,810.60, 870,944,715.90 and 217,076,927.40 is: 325,615,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,629,810.60 : 870,944,715.90 = 217,076,927.40 : x
  2. Step 2: Convert to fraction form
    580,629,810.60/870,944,715.90 = 217,076,927.40/x
  3. Step 3: Cross multiply
    580,629,810.60x = 870,944,715.90 × 217,076,927.40
  4. Step 4: Simplify right side
    580,629,810.60x = 189,062,002,862,837,920
  5. Step 5: Solve for x
    x = 189,062,002,862,837,920/580,629,810.60
  6. Step 6: Final answer
    x = 325,615,391.10

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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.