Home / 707,774,520.21-977,147,816.19-629,241,158.59

Finding the Fourth Proportional to 707,774,520.21, 977,147,816.19 and 629,241,158.59

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Solution

The fourth proportional to 707,774,520.21, 977,147,816.19 and 629,241,158.59 is: 868,725,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,774,520.21 : 977,147,816.19 = 629,241,158.59 : x
  2. Step 2: Convert to fraction form
    707,774,520.21/977,147,816.19 = 629,241,158.59/x
  3. Step 3: Cross multiply
    707,774,520.21x = 977,147,816.19 × 629,241,158.59
  4. Step 4: Simplify right side
    707,774,520.21x = 614,861,623,971,036,928
  5. Step 5: Solve for x
    x = 614,861,623,971,036,928/707,774,520.21
  6. Step 6: Final answer
    x = 868,725,288.08

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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.