Home / 21,122,350,961.10-31,683,526,441.65-17,713,050,657.90

Finding the Fourth Proportional to 21,122,350,961.10, 31,683,526,441.65 and 17,713,050,657.90

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Solution

The fourth proportional to 21,122,350,961.10, 31,683,526,441.65 and 17,713,050,657.90 is: 26,569,575,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,350,961.10 : 31,683,526,441.65 = 17,713,050,657.90 : x
  2. Step 2: Convert to fraction form
    21,122,350,961.10/31,683,526,441.65 = 17,713,050,657.90/x
  3. Step 3: Cross multiply
    21,122,350,961.10x = 31,683,526,441.65 × 17,713,050,657.90
  4. Step 4: Simplify right side
    21,122,350,961.10x = 561,211,908,881,860,657,152
  5. Step 5: Solve for x
    x = 561,211,908,881,860,657,152/21,122,350,961.10
  6. Step 6: Final answer
    x = 26,569,575,986.85

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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.