Home / 20,371,073,594.36-28,112,082,856.02-11,338,637,257.46

Finding the Fourth Proportional to 20,371,073,594.36, 28,112,082,856.02 and 11,338,637,257.46

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Solution

The fourth proportional to 20,371,073,594.36, 28,112,082,856.02 and 11,338,637,257.46 is: 15,647,320,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,073,594.36 : 28,112,082,856.02 = 11,338,637,257.46 : x
  2. Step 2: Convert to fraction form
    20,371,073,594.36/28,112,082,856.02 = 11,338,637,257.46/x
  3. Step 3: Cross multiply
    20,371,073,594.36x = 28,112,082,856.02 × 11,338,637,257.46
  4. Step 4: Simplify right side
    20,371,073,594.36x = 318,752,710,056,070,873,088
  5. Step 5: Solve for x
    x = 318,752,710,056,070,873,088/20,371,073,594.36
  6. Step 6: Final answer
    x = 15,647,320,136.55

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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.