Home / 927,148,048,409.20-1,390,722,072,613.80-265,406,218,265.20

Finding the Fourth Proportional to 927,148,048,409.20, 1,390,722,072,613.80 and 265,406,218,265.20

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Solution

The fourth proportional to 927,148,048,409.20, 1,390,722,072,613.80 and 265,406,218,265.20 is: 398,109,327,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,048,409.20 : 1,390,722,072,613.80 = 265,406,218,265.20 : x
  2. Step 2: Convert to fraction form
    927,148,048,409.20/1,390,722,072,613.80 = 265,406,218,265.20/x
  3. Step 3: Cross multiply
    927,148,048,409.20x = 1,390,722,072,613.80 × 265,406,218,265.20
  4. Step 4: Simplify right side
    927,148,048,409.20x = 369,106,285,950,369,542,438,912
  5. Step 5: Solve for x
    x = 369,106,285,950,369,542,438,912/927,148,048,409.20
  6. Step 6: Final answer
    x = 398,109,327,397.80

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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.