Home / 1,170,036,278.15-1,755,054,417.23-480,438,436.55

Finding the Fourth Proportional to 1,170,036,278.15, 1,755,054,417.23 and 480,438,436.55

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Solution

The fourth proportional to 1,170,036,278.15, 1,755,054,417.23 and 480,438,436.55 is: 720,657,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,036,278.15 : 1,755,054,417.23 = 480,438,436.55 : x
  2. Step 2: Convert to fraction form
    1,170,036,278.15/1,755,054,417.23 = 480,438,436.55/x
  3. Step 3: Cross multiply
    1,170,036,278.15x = 1,755,054,417.23 × 480,438,436.55
  4. Step 4: Simplify right side
    1,170,036,278.15x = 843,195,600,274,152,576
  5. Step 5: Solve for x
    x = 843,195,600,274,152,576/1,170,036,278.15
  6. Step 6: Final answer
    x = 720,657,654.83

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Double scale
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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.