Home / 20,280,537,938.20-30,384,527,201.70-17,378,161,490.20

Finding the Fourth Proportional to 20,280,537,938.20, 30,384,527,201.70 and 17,378,161,490.20

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Solution

The fourth proportional to 20,280,537,938.20, 30,384,527,201.70 and 17,378,161,490.20 is: 26,036,154,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,537,938.20 : 30,384,527,201.70 = 17,378,161,490.20 : x
  2. Step 2: Convert to fraction form
    20,280,537,938.20/30,384,527,201.70 = 17,378,161,490.20/x
  3. Step 3: Cross multiply
    20,280,537,938.20x = 30,384,527,201.70 × 17,378,161,490.20
  4. Step 4: Simplify right side
    20,280,537,938.20x = 528,027,220,514,517,352,448
  5. Step 5: Solve for x
    x = 528,027,220,514,517,352,448/20,280,537,938.20
  6. Step 6: Final answer
    x = 26,036,154,569.64

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1.5x scale

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.