Home / 1,619,358,127.43-2,429,933,499.48-790,318,637.30

Finding the Fourth Proportional to 1,619,358,127.43, 2,429,933,499.48 and 790,318,637.30

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Solution

The fourth proportional to 1,619,358,127.43, 2,429,933,499.48 and 790,318,637.30 is: 1,185,915,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,358,127.43 : 2,429,933,499.48 = 790,318,637.30 : x
  2. Step 2: Convert to fraction form
    1,619,358,127.43/2,429,933,499.48 = 790,318,637.30/x
  3. Step 3: Cross multiply
    1,619,358,127.43x = 2,429,933,499.48 × 790,318,637.30
  4. Step 4: Simplify right side
    1,619,358,127.43x = 1,920,421,732,038,653,696
  5. Step 5: Solve for x
    x = 1,920,421,732,038,653,696/1,619,358,127.43
  6. Step 6: Final answer
    x = 1,185,915,394.20

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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.