Home / 892,175,434.12-1,231,235,326.53-535,001,362.20

Finding the Fourth Proportional to 892,175,434.12, 1,231,235,326.53 and 535,001,362.20

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Solution

The fourth proportional to 892,175,434.12, 1,231,235,326.53 and 535,001,362.20 is: 738,321,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,175,434.12 : 1,231,235,326.53 = 535,001,362.20 : x
  2. Step 2: Convert to fraction form
    892,175,434.12/1,231,235,326.53 = 535,001,362.20/x
  3. Step 3: Cross multiply
    892,175,434.12x = 1,231,235,326.53 × 535,001,362.20
  4. Step 4: Simplify right side
    892,175,434.12x = 658,712,576,882,311,808
  5. Step 5: Solve for x
    x = 658,712,576,882,311,808/892,175,434.12
  6. Step 6: Final answer
    x = 738,321,804.98

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Double scale
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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.