Home / 20,510,886,492.60-30,766,329,738.90-19,134,945,065.40

Finding the Fourth Proportional to 20,510,886,492.60, 30,766,329,738.90 and 19,134,945,065.40

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Solution

The fourth proportional to 20,510,886,492.60, 30,766,329,738.90 and 19,134,945,065.40 is: 28,702,417,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,886,492.60 : 30,766,329,738.90 = 19,134,945,065.40 : x
  2. Step 2: Convert to fraction form
    20,510,886,492.60/30,766,329,738.90 = 19,134,945,065.40/x
  3. Step 3: Cross multiply
    20,510,886,492.60x = 30,766,329,738.90 × 19,134,945,065.40
  4. Step 4: Simplify right side
    20,510,886,492.60x = 588,712,029,417,833,889,792
  5. Step 5: Solve for x
    x = 588,712,029,417,833,889,792/20,510,886,492.60
  6. Step 6: Final answer
    x = 28,702,417,598.10

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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.