Home / 696,403,491.23-961,036,785.63-383,130,979.16

Finding the Fourth Proportional to 696,403,491.23, 961,036,785.63 and 383,130,979.16

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Solution

The fourth proportional to 696,403,491.23, 961,036,785.63 and 383,130,979.16 is: 528,720,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,491.23 : 961,036,785.63 = 383,130,979.16 : x
  2. Step 2: Convert to fraction form
    696,403,491.23/961,036,785.63 = 383,130,979.16/x
  3. Step 3: Cross multiply
    696,403,491.23x = 961,036,785.63 × 383,130,979.16
  4. Step 4: Simplify right side
    696,403,491.23x = 368,202,964,687,200,960
  5. Step 5: Solve for x
    x = 368,202,964,687,200,960/696,403,491.23
  6. Step 6: Final answer
    x = 528,720,733.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.