Home / 586,022,640,019.40-879,033,960,029.10-144,861,419,923.40

Finding the Fourth Proportional to 586,022,640,019.40, 879,033,960,029.10 and 144,861,419,923.40

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Solution

The fourth proportional to 586,022,640,019.40, 879,033,960,029.10 and 144,861,419,923.40 is: 217,292,129,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,022,640,019.40 : 879,033,960,029.10 = 144,861,419,923.40 : x
  2. Step 2: Convert to fraction form
    586,022,640,019.40/879,033,960,029.10 = 144,861,419,923.40/x
  3. Step 3: Cross multiply
    586,022,640,019.40x = 879,033,960,029.10 × 144,861,419,923.40
  4. Step 4: Simplify right side
    586,022,640,019.40x = 127,338,107,610,704,665,116,672
  5. Step 5: Solve for x
    x = 127,338,107,610,704,665,116,672/586,022,640,019.40
  6. Step 6: Final answer
    x = 217,292,129,885.10

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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.