Home / 1,561,753,387.42-2,155,223,767.23-847,288,903.64

Finding the Fourth Proportional to 1,561,753,387.42, 2,155,223,767.23 and 847,288,903.64

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Solution

The fourth proportional to 1,561,753,387.42, 2,155,223,767.23 and 847,288,903.64 is: 1,169,260,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,753,387.42 : 2,155,223,767.23 = 847,288,903.64 : x
  2. Step 2: Convert to fraction form
    1,561,753,387.42/2,155,223,767.23 = 847,288,903.64/x
  3. Step 3: Cross multiply
    1,561,753,387.42x = 2,155,223,767.23 × 847,288,903.64
  4. Step 4: Simplify right side
    1,561,753,387.42x = 1,826,097,182,824,401,152
  5. Step 5: Solve for x
    x = 1,826,097,182,824,401,152/1,561,753,387.42
  6. Step 6: Final answer
    x = 1,169,260,907.35

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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.