Home / 867,486,650.88-1,197,133,021.44-476,370,854.40

Finding the Fourth Proportional to 867,486,650.88, 1,197,133,021.44 and 476,370,854.40

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Solution

The fourth proportional to 867,486,650.88, 1,197,133,021.44 and 476,370,854.40 is: 657,392,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,486,650.88 : 1,197,133,021.44 = 476,370,854.40 : x
  2. Step 2: Convert to fraction form
    867,486,650.88/1,197,133,021.44 = 476,370,854.40/x
  3. Step 3: Cross multiply
    867,486,650.88x = 1,197,133,021.44 × 476,370,854.40
  4. Step 4: Simplify right side
    867,486,650.88x = 570,279,280,253,826,304
  5. Step 5: Solve for x
    x = 570,279,280,253,826,304/867,486,650.88
  6. Step 6: Final answer
    x = 657,392,571.60

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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.