Home / 1,182,103,967.70-1,773,155,951.55-320,460,959.70

Finding the Fourth Proportional to 1,182,103,967.70, 1,773,155,951.55 and 320,460,959.70

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Solution

The fourth proportional to 1,182,103,967.70, 1,773,155,951.55 and 320,460,959.70 is: 480,691,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,103,967.70 : 1,773,155,951.55 = 320,460,959.70 : x
  2. Step 2: Convert to fraction form
    1,182,103,967.70/1,773,155,951.55 = 320,460,959.70/x
  3. Step 3: Cross multiply
    1,182,103,967.70x = 1,773,155,951.55 × 320,460,959.70
  4. Step 4: Simplify right side
    1,182,103,967.70x = 568,227,257,931,479,680
  5. Step 5: Solve for x
    x = 568,227,257,931,479,680/1,182,103,967.70
  6. Step 6: Final answer
    x = 480,691,439.55

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Half scale
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Double scale
Find fourth proportional to 1,182,103,968.70, 1,773,155,953.05 and 320,460,960.70
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.