Home / 661,879,359.98-913,382,373.92-364,549,291.18

Finding the Fourth Proportional to 661,879,359.98, 913,382,373.92 and 364,549,291.18

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Solution

The fourth proportional to 661,879,359.98, 913,382,373.92 and 364,549,291.18 is: 503,071,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,879,359.98 : 913,382,373.92 = 364,549,291.18 : x
  2. Step 2: Convert to fraction form
    661,879,359.98/913,382,373.92 = 364,549,291.18/x
  3. Step 3: Cross multiply
    661,879,359.98x = 913,382,373.92 × 364,549,291.18
  4. Step 4: Simplify right side
    661,879,359.98x = 332,972,896,988,841,728
  5. Step 5: Solve for x
    x = 332,972,896,988,841,728/661,879,359.98
  6. Step 6: Final answer
    x = 503,071,884.58

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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.