Home / 445,826,945.10-668,740,417.65-154,597,277.10

Finding the Fourth Proportional to 445,826,945.10, 668,740,417.65 and 154,597,277.10

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Solution

The fourth proportional to 445,826,945.10, 668,740,417.65 and 154,597,277.10 is: 231,895,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,826,945.10 : 668,740,417.65 = 154,597,277.10 : x
  2. Step 2: Convert to fraction form
    445,826,945.10/668,740,417.65 = 154,597,277.10/x
  3. Step 3: Cross multiply
    445,826,945.10x = 668,740,417.65 × 154,597,277.10
  4. Step 4: Simplify right side
    445,826,945.10x = 103,385,447,655,406,768
  5. Step 5: Solve for x
    x = 103,385,447,655,406,768/445,826,945.10
  6. Step 6: Final answer
    x = 231,895,915.65

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Similar ratio
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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.