Home / 707,774,521.34-977,147,817.74-629,241,159.71

Finding the Fourth Proportional to 707,774,521.34, 977,147,817.74 and 629,241,159.71

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Solution

The fourth proportional to 707,774,521.34, 977,147,817.74 and 629,241,159.71 is: 868,725,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,774,521.34 : 977,147,817.74 = 629,241,159.71 : x
  2. Step 2: Convert to fraction form
    707,774,521.34/977,147,817.74 = 629,241,159.71/x
  3. Step 3: Cross multiply
    707,774,521.34x = 977,147,817.74 × 629,241,159.71
  4. Step 4: Simplify right side
    707,774,521.34x = 614,861,626,044,469,632
  5. Step 5: Solve for x
    x = 614,861,626,044,469,632/707,774,521.34
  6. Step 6: Final answer
    x = 868,725,289.63

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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.