Home / 696,496,952.73-1,045,205,112.65-369,202,307.61

Finding the Fourth Proportional to 696,496,952.73, 1,045,205,112.65 and 369,202,307.61

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Solution

The fourth proportional to 696,496,952.73, 1,045,205,112.65 and 369,202,307.61 is: 554,047,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,496,952.73 : 1,045,205,112.65 = 369,202,307.61 : x
  2. Step 2: Convert to fraction form
    696,496,952.73/1,045,205,112.65 = 369,202,307.61/x
  3. Step 3: Cross multiply
    696,496,952.73x = 1,045,205,112.65 × 369,202,307.61
  4. Step 4: Simplify right side
    696,496,952.73x = 385,892,139,514,304,000
  5. Step 5: Solve for x
    x = 385,892,139,514,304,000/696,496,952.73
  6. Step 6: Final answer
    x = 554,047,132.59

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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.