Home / 696,403,439.78-961,036,714.42-383,130,927.70

Finding the Fourth Proportional to 696,403,439.78, 961,036,714.42 and 383,130,927.70

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Solution

The fourth proportional to 696,403,439.78, 961,036,714.42 and 383,130,927.70 is: 528,720,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,439.78 : 961,036,714.42 = 383,130,927.70 : x
  2. Step 2: Convert to fraction form
    696,403,439.78/961,036,714.42 = 383,130,927.70/x
  3. Step 3: Cross multiply
    696,403,439.78x = 961,036,714.42 × 383,130,927.70
  4. Step 4: Simplify right side
    696,403,439.78x = 368,202,887,952,604,096
  5. Step 5: Solve for x
    x = 368,202,887,952,604,096/696,403,439.78
  6. Step 6: Final answer
    x = 528,720,662.36

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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.