Home / 1,622,985,856.31-2,239,724,791.29-880,429,919.06

Finding the Fourth Proportional to 1,622,985,856.31, 2,239,724,791.29 and 880,429,919.06

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Solution

The fourth proportional to 1,622,985,856.31, 2,239,724,791.29 and 880,429,919.06 is: 1,214,995,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,985,856.31 : 2,239,724,791.29 = 880,429,919.06 : x
  2. Step 2: Convert to fraction form
    1,622,985,856.31/2,239,724,791.29 = 880,429,919.06/x
  3. Step 3: Cross multiply
    1,622,985,856.31x = 2,239,724,791.29 × 880,429,919.06
  4. Step 4: Simplify right side
    1,622,985,856.31x = 1,971,920,716,700,931,328
  5. Step 5: Solve for x
    x = 1,971,920,716,700,931,328/1,622,985,856.31
  6. Step 6: Final answer
    x = 1,214,995,626.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.