Home / 22,394,927,318.02-30,905,938,599.45-12,879,486,496.90

Finding the Fourth Proportional to 22,394,927,318.02, 30,905,938,599.45 and 12,879,486,496.90

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Solution

The fourth proportional to 22,394,927,318.02, 30,905,938,599.45 and 12,879,486,496.90 is: 17,774,231,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394,927,318.02 : 30,905,938,599.45 = 12,879,486,496.90 : x
  2. Step 2: Convert to fraction form
    22,394,927,318.02/30,905,938,599.45 = 12,879,486,496.90/x
  3. Step 3: Cross multiply
    22,394,927,318.02x = 30,905,938,599.45 × 12,879,486,496.90
  4. Step 4: Simplify right side
    22,394,927,318.02x = 398,052,618,865,636,802,560
  5. Step 5: Solve for x
    x = 398,052,618,865,636,802,560/22,394,927,318.02
  6. Step 6: Final answer
    x = 17,774,231,334.31

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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.