Home / 28,168,093,061.88-38,872,843,201.98-15,480,598,173.72

Finding the Fourth Proportional to 28,168,093,061.88, 38,872,843,201.98 and 15,480,598,173.72

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Solution

The fourth proportional to 28,168,093,061.88, 38,872,843,201.98 and 15,480,598,173.72 is: 21,363,706,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,093,061.88 : 38,872,843,201.98 = 15,480,598,173.72 : x
  2. Step 2: Convert to fraction form
    28,168,093,061.88/38,872,843,201.98 = 15,480,598,173.72/x
  3. Step 3: Cross multiply
    28,168,093,061.88x = 38,872,843,201.98 × 15,480,598,173.72
  4. Step 4: Simplify right side
    28,168,093,061.88x = 601,774,865,479,875,559,424
  5. Step 5: Solve for x
    x = 601,774,865,479,875,559,424/28,168,093,061.88
  6. Step 6: Final answer
    x = 21,363,706,238.75

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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.