Home / 707,774,521.21-977,147,817.57-629,241,159.59

Finding the Fourth Proportional to 707,774,521.21, 977,147,817.57 and 629,241,159.59

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Solution

The fourth proportional to 707,774,521.21, 977,147,817.57 and 629,241,159.59 is: 868,725,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,774,521.21 : 977,147,817.57 = 629,241,159.59 : x
  2. Step 2: Convert to fraction form
    707,774,521.21/977,147,817.57 = 629,241,159.59/x
  3. Step 3: Cross multiply
    707,774,521.21x = 977,147,817.57 × 629,241,159.59
  4. Step 4: Simplify right side
    707,774,521.21x = 614,861,625,818,584,704
  5. Step 5: Solve for x
    x = 614,861,625,818,584,704/707,774,521.21
  6. Step 6: Final answer
    x = 868,725,289.47

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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.