Home / 1,019,917,881.45-1,529,876,822.18-997,243,065.45

Finding the Fourth Proportional to 1,019,917,881.45, 1,529,876,822.18 and 997,243,065.45

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Solution

The fourth proportional to 1,019,917,881.45, 1,529,876,822.18 and 997,243,065.45 is: 1,495,864,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,917,881.45 : 1,529,876,822.18 = 997,243,065.45 : x
  2. Step 2: Convert to fraction form
    1,019,917,881.45/1,529,876,822.18 = 997,243,065.45/x
  3. Step 3: Cross multiply
    1,019,917,881.45x = 1,529,876,822.18 × 997,243,065.45
  4. Step 4: Simplify right side
    1,019,917,881.45x = 1,525,659,051,906,701,568
  5. Step 5: Solve for x
    x = 1,525,659,051,906,701,568/1,019,917,881.45
  6. Step 6: Final answer
    x = 1,495,864,598.18

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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.