Home / 21,122,351,118.60-31,683,526,677.90-17,713,050,815.40

Finding the Fourth Proportional to 21,122,351,118.60, 31,683,526,677.90 and 17,713,050,815.40

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Solution

The fourth proportional to 21,122,351,118.60, 31,683,526,677.90 and 17,713,050,815.40 is: 26,569,576,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,351,118.60 : 31,683,526,677.90 = 17,713,050,815.40 : x
  2. Step 2: Convert to fraction form
    21,122,351,118.60/31,683,526,677.90 = 17,713,050,815.40/x
  3. Step 3: Cross multiply
    21,122,351,118.60x = 31,683,526,677.90 × 17,713,050,815.40
  4. Step 4: Simplify right side
    21,122,351,118.60x = 561,211,918,056,724,299,776
  5. Step 5: Solve for x
    x = 561,211,918,056,724,299,776/21,122,351,118.60
  6. Step 6: Final answer
    x = 26,569,576,223.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.