Home / 1,122,187,927.40-1,548,667,166.16-627,150,621.32

Finding the Fourth Proportional to 1,122,187,927.40, 1,548,667,166.16 and 627,150,621.32

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Solution

The fourth proportional to 1,122,187,927.40, 1,548,667,166.16 and 627,150,621.32 is: 865,494,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,187,927.40 : 1,548,667,166.16 = 627,150,621.32 : x
  2. Step 2: Convert to fraction form
    1,122,187,927.40/1,548,667,166.16 = 627,150,621.32/x
  3. Step 3: Cross multiply
    1,122,187,927.40x = 1,548,667,166.16 × 627,150,621.32
  4. Step 4: Simplify right side
    1,122,187,927.40x = 971,247,575,475,127,808
  5. Step 5: Solve for x
    x = 971,247,575,475,127,808/1,122,187,927.40
  6. Step 6: Final answer
    x = 865,494,585.85

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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.