Home / 1,185,418,167.57-1,778,130,282.72-300,103,621.85

Finding the Fourth Proportional to 1,185,418,167.57, 1,778,130,282.72 and 300,103,621.85

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Solution

The fourth proportional to 1,185,418,167.57, 1,778,130,282.72 and 300,103,621.85 is: 450,156,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,418,167.57 : 1,778,130,282.72 = 300,103,621.85 : x
  2. Step 2: Convert to fraction form
    1,185,418,167.57/1,778,130,282.72 = 300,103,621.85/x
  3. Step 3: Cross multiply
    1,185,418,167.57x = 1,778,130,282.72 × 300,103,621.85
  4. Step 4: Simplify right side
    1,185,418,167.57x = 533,623,337,956,545,856
  5. Step 5: Solve for x
    x = 533,623,337,956,545,856/1,185,418,167.57
  6. Step 6: Final answer
    x = 450,156,200.20

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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.