Home / 1,135,603,248.20-1,704,005,018.49-805,742,037.53

Finding the Fourth Proportional to 1,135,603,248.20, 1,704,005,018.49 and 805,742,037.53

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Solution

The fourth proportional to 1,135,603,248.20, 1,704,005,018.49 and 805,742,037.53 is: 1,209,038,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,603,248.20 : 1,704,005,018.49 = 805,742,037.53 : x
  2. Step 2: Convert to fraction form
    1,135,603,248.20/1,704,005,018.49 = 805,742,037.53/x
  3. Step 3: Cross multiply
    1,135,603,248.20x = 1,704,005,018.49 × 805,742,037.53
  4. Step 4: Simplify right side
    1,135,603,248.20x = 1,372,988,475,560,328,960
  5. Step 5: Solve for x
    x = 1,372,988,475,560,328,960/1,135,603,248.20
  6. Step 6: Final answer
    x = 1,209,038,876.68

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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.