Home / 893,442,219.84-1,340,180,124.48-280,012,864.32

Finding the Fourth Proportional to 893,442,219.84, 1,340,180,124.48 and 280,012,864.32

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Solution

The fourth proportional to 893,442,219.84, 1,340,180,124.48 and 280,012,864.32 is: 420,024,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,442,219.84 : 1,340,180,124.48 = 280,012,864.32 : x
  2. Step 2: Convert to fraction form
    893,442,219.84/1,340,180,124.48 = 280,012,864.32/x
  3. Step 3: Cross multiply
    893,442,219.84x = 1,340,180,124.48 × 280,012,864.32
  4. Step 4: Simplify right side
    893,442,219.84x = 375,267,675,360,378,944
  5. Step 5: Solve for x
    x = 375,267,675,360,378,944/893,442,219.84
  6. Step 6: Final answer
    x = 420,024,560.10

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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.