Home / 612,036,031.20-918,054,046.80-367,148,018.40

Finding the Fourth Proportional to 612,036,031.20, 918,054,046.80 and 367,148,018.40

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Solution

The fourth proportional to 612,036,031.20, 918,054,046.80 and 367,148,018.40 is: 550,722,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,036,031.20 : 918,054,046.80 = 367,148,018.40 : x
  2. Step 2: Convert to fraction form
    612,036,031.20/918,054,046.80 = 367,148,018.40/x
  3. Step 3: Cross multiply
    612,036,031.20x = 918,054,046.80 × 367,148,018.40
  4. Step 4: Simplify right side
    612,036,031.20x = 337,061,724,066,720,832
  5. Step 5: Solve for x
    x = 337,061,724,066,720,832/612,036,031.20
  6. Step 6: Final answer
    x = 550,722,027.60

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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.