Home / 1,143,256,251.84-1,577,111,925.75-747,010,887.36

Finding the Fourth Proportional to 1,143,256,251.84, 1,577,111,925.75 and 747,010,887.36

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Solution

The fourth proportional to 1,143,256,251.84, 1,577,111,925.75 and 747,010,887.36 is: 1,030,494,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,256,251.84 : 1,577,111,925.75 = 747,010,887.36 : x
  2. Step 2: Convert to fraction form
    1,143,256,251.84/1,577,111,925.75 = 747,010,887.36/x
  3. Step 3: Cross multiply
    1,143,256,251.84x = 1,577,111,925.75 × 747,010,887.36
  4. Step 4: Simplify right side
    1,143,256,251.84x = 1,178,119,779,120,546,048
  5. Step 5: Solve for x
    x = 1,178,119,779,120,546,048/1,143,256,251.84
  6. Step 6: Final answer
    x = 1,030,494,936.92

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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.