Home / 1,002,173,916.94-1,501,482,319.52-418,623,945.91

Finding the Fourth Proportional to 1,002,173,916.94, 1,501,482,319.52 and 418,623,945.91

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Solution

The fourth proportional to 1,002,173,916.94, 1,501,482,319.52 and 418,623,945.91 is: 627,192,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,173,916.94 : 1,501,482,319.52 = 418,623,945.91 : x
  2. Step 2: Convert to fraction form
    1,002,173,916.94/1,501,482,319.52 = 418,623,945.91/x
  3. Step 3: Cross multiply
    1,002,173,916.94x = 1,501,482,319.52 × 418,623,945.91
  4. Step 4: Simplify right side
    1,002,173,916.94x = 628,556,453,304,054,400
  5. Step 5: Solve for x
    x = 628,556,453,304,054,400/1,002,173,916.94
  6. Step 6: Final answer
    x = 627,192,987.85

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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.