Home / 880,193,428.90-1,320,290,143.35-788,360,424.10

Finding the Fourth Proportional to 880,193,428.90, 1,320,290,143.35 and 788,360,424.10

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Solution

The fourth proportional to 880,193,428.90, 1,320,290,143.35 and 788,360,424.10 is: 1,182,540,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,193,428.90 : 1,320,290,143.35 = 788,360,424.10 : x
  2. Step 2: Convert to fraction form
    880,193,428.90/1,320,290,143.35 = 788,360,424.10/x
  3. Step 3: Cross multiply
    880,193,428.90x = 1,320,290,143.35 × 788,360,424.10
  4. Step 4: Simplify right side
    880,193,428.90x = 1,040,864,497,346,455,808
  5. Step 5: Solve for x
    x = 1,040,864,497,346,455,808/880,193,428.90
  6. Step 6: Final answer
    x = 1,182,540,636.15

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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.