Home / 1,561,753,402.32-2,155,223,787.77-847,288,918.56

Finding the Fourth Proportional to 1,561,753,402.32, 2,155,223,787.77 and 847,288,918.56

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Solution

The fourth proportional to 1,561,753,402.32, 2,155,223,787.77 and 847,288,918.56 is: 1,169,260,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,753,402.32 : 2,155,223,787.77 = 847,288,918.56 : x
  2. Step 2: Convert to fraction form
    1,561,753,402.32/2,155,223,787.77 = 847,288,918.56/x
  3. Step 3: Cross multiply
    1,561,753,402.32x = 2,155,223,787.77 × 847,288,918.56
  4. Step 4: Simplify right side
    1,561,753,402.32x = 1,826,097,232,394,430,208
  5. Step 5: Solve for x
    x = 1,826,097,232,394,430,208/1,561,753,402.32
  6. Step 6: Final answer
    x = 1,169,260,927.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.