Home / 894,406,615.20-1,234,310,551.20-492,563,211.12

Finding the Fourth Proportional to 894,406,615.20, 1,234,310,551.20 and 492,563,211.12

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Solution

The fourth proportional to 894,406,615.20, 1,234,310,551.20 and 492,563,211.12 is: 679,753,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,406,615.20 : 1,234,310,551.20 = 492,563,211.12 : x
  2. Step 2: Convert to fraction form
    894,406,615.20/1,234,310,551.20 = 492,563,211.12/x
  3. Step 3: Cross multiply
    894,406,615.20x = 1,234,310,551.20 × 492,563,211.12
  4. Step 4: Simplify right side
    894,406,615.20x = 607,975,968,618,369,152
  5. Step 5: Solve for x
    x = 607,975,968,618,369,152/894,406,615.20
  6. Step 6: Final answer
    x = 679,753,434.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.