Home / 1,918,191,431.40-2,877,287,147.10-1,182,092,502.30

Finding the Fourth Proportional to 1,918,191,431.40, 2,877,287,147.10 and 1,182,092,502.30

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Solution

The fourth proportional to 1,918,191,431.40, 2,877,287,147.10 and 1,182,092,502.30 is: 1,773,138,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,191,431.40 : 2,877,287,147.10 = 1,182,092,502.30 : x
  2. Step 2: Convert to fraction form
    1,918,191,431.40/2,877,287,147.10 = 1,182,092,502.30/x
  3. Step 3: Cross multiply
    1,918,191,431.40x = 2,877,287,147.10 × 1,182,092,502.30
  4. Step 4: Simplify right side
    1,918,191,431.40x = 3,401,219,563,551,067,136
  5. Step 5: Solve for x
    x = 3,401,219,563,551,067,136/1,918,191,431.40
  6. Step 6: Final answer
    x = 1,773,138,753.45

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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.