Home / 674,325,812.10-1,011,488,718.15-189,651,620.10

Finding the Fourth Proportional to 674,325,812.10, 1,011,488,718.15 and 189,651,620.10

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Solution

The fourth proportional to 674,325,812.10, 1,011,488,718.15 and 189,651,620.10 is: 284,477,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,325,812.10 : 1,011,488,718.15 = 189,651,620.10 : x
  2. Step 2: Convert to fraction form
    674,325,812.10/1,011,488,718.15 = 189,651,620.10/x
  3. Step 3: Cross multiply
    674,325,812.10x = 1,011,488,718.15 × 189,651,620.10
  4. Step 4: Simplify right side
    674,325,812.10x = 191,830,474,110,019,776
  5. Step 5: Solve for x
    x = 191,830,474,110,019,776/674,325,812.10
  6. Step 6: Final answer
    x = 284,477,430.15

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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.