Home / 696,403,486.24-961,036,778.72-383,130,974.16

Finding the Fourth Proportional to 696,403,486.24, 961,036,778.72 and 383,130,974.16

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Solution

The fourth proportional to 696,403,486.24, 961,036,778.72 and 383,130,974.16 is: 528,720,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,486.24 : 961,036,778.72 = 383,130,974.16 : x
  2. Step 2: Convert to fraction form
    696,403,486.24/961,036,778.72 = 383,130,974.16/x
  3. Step 3: Cross multiply
    696,403,486.24x = 961,036,778.72 × 383,130,974.16
  4. Step 4: Simplify right side
    696,403,486.24x = 368,202,957,235,539,776
  5. Step 5: Solve for x
    x = 368,202,957,235,539,776/696,403,486.24
  6. Step 6: Final answer
    x = 528,720,726.58

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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.