Home / 442,540,216.55-618,346,979.65-442,540,216.55

Finding the Fourth Proportional to 442,540,216.55, 618,346,979.65 and 442,540,216.55

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Solution

The fourth proportional to 442,540,216.55, 618,346,979.65 and 442,540,216.55 is: 618,346,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,540,216.55 : 618,346,979.65 = 442,540,216.55 : x
  2. Step 2: Convert to fraction form
    442,540,216.55/618,346,979.65 = 442,540,216.55/x
  3. Step 3: Cross multiply
    442,540,216.55x = 618,346,979.65 × 442,540,216.55
  4. Step 4: Simplify right side
    442,540,216.55x = 273,643,406,277,349,440
  5. Step 5: Solve for x
    x = 273,643,406,277,349,440/442,540,216.55
  6. Step 6: Final answer
    x = 618,346,979.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.