Home / 644,832,330.40-967,248,495.60-160,158,138.40

Finding the Fourth Proportional to 644,832,330.40, 967,248,495.60 and 160,158,138.40

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Solution

The fourth proportional to 644,832,330.40, 967,248,495.60 and 160,158,138.40 is: 240,237,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,832,330.40 : 967,248,495.60 = 160,158,138.40 : x
  2. Step 2: Convert to fraction form
    644,832,330.40/967,248,495.60 = 160,158,138.40/x
  3. Step 3: Cross multiply
    644,832,330.40x = 967,248,495.60 × 160,158,138.40
  4. Step 4: Simplify right side
    644,832,330.40x = 154,912,718,425,496,608
  5. Step 5: Solve for x
    x = 154,912,718,425,496,608/644,832,330.40
  6. Step 6: Final answer
    x = 240,237,207.60

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Double scale
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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.