Home / 302,515,547.80-453,773,321.70-199,203,417.40

Finding the Fourth Proportional to 302,515,547.80, 453,773,321.70 and 199,203,417.40

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Solution

The fourth proportional to 302,515,547.80, 453,773,321.70 and 199,203,417.40 is: 298,805,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515,547.80 : 453,773,321.70 = 199,203,417.40 : x
  2. Step 2: Convert to fraction form
    302,515,547.80/453,773,321.70 = 199,203,417.40/x
  3. Step 3: Cross multiply
    302,515,547.80x = 453,773,321.70 × 199,203,417.40
  4. Step 4: Simplify right side
    302,515,547.80x = 90,393,196,407,589,584
  5. Step 5: Solve for x
    x = 90,393,196,407,589,584/302,515,547.80
  6. Step 6: Final answer
    x = 298,805,126.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.