Home / 742,641,486.88-1,024,872,910.02-445,332,133.84

Finding the Fourth Proportional to 742,641,486.88, 1,024,872,910.02 and 445,332,133.84

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Solution

The fourth proportional to 742,641,486.88, 1,024,872,910.02 and 445,332,133.84 is: 614,574,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,641,486.88 : 1,024,872,910.02 = 445,332,133.84 : x
  2. Step 2: Convert to fraction form
    742,641,486.88/1,024,872,910.02 = 445,332,133.84/x
  3. Step 3: Cross multiply
    742,641,486.88x = 1,024,872,910.02 × 445,332,133.84
  4. Step 4: Simplify right side
    742,641,486.88x = 456,408,839,934,016,896
  5. Step 5: Solve for x
    x = 456,408,839,934,016,896/742,641,486.88
  6. Step 6: Final answer
    x = 614,574,930.16

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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.