Home / 1,541,529,981-2,127,312,948.18-836,682,107.76

Finding the Fourth Proportional to 1,541,529,981, 2,127,312,948.18 and 836,682,107.76

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Solution

The fourth proportional to 1,541,529,981, 2,127,312,948.18 and 836,682,107.76 is: 1,154,622,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,529,981 : 2,127,312,948.18 = 836,682,107.76 : x
  2. Step 2: Convert to fraction form
    1,541,529,981/2,127,312,948.18 = 836,682,107.76/x
  3. Step 3: Cross multiply
    1,541,529,981x = 2,127,312,948.18 × 836,682,107.76
  4. Step 4: Simplify right side
    1,541,529,981x = 1,779,884,681,337,745,664
  5. Step 5: Solve for x
    x = 1,779,884,681,337,745,664/1,541,529,981
  6. Step 6: Final answer
    x = 1,154,622,163.22

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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.