Home / 696,403,488.24-961,036,781.48-383,130,976.16

Finding the Fourth Proportional to 696,403,488.24, 961,036,781.48 and 383,130,976.16

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Solution

The fourth proportional to 696,403,488.24, 961,036,781.48 and 383,130,976.16 is: 528,720,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,488.24 : 961,036,781.48 = 383,130,976.16 : x
  2. Step 2: Convert to fraction form
    696,403,488.24/961,036,781.48 = 383,130,976.16/x
  3. Step 3: Cross multiply
    696,403,488.24x = 961,036,781.48 × 383,130,976.16
  4. Step 4: Simplify right side
    696,403,488.24x = 368,202,960,214,097,024
  5. Step 5: Solve for x
    x = 368,202,960,214,097,024/696,403,488.24
  6. Step 6: Final answer
    x = 528,720,729.34

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Double scale
Find fourth proportional to 696,403,489.24, 961,036,782.86 and 383,130,977.16
Similar ratio
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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.