Home / 707,774,552.03-977,147,860.01-629,241,190.35

Finding the Fourth Proportional to 707,774,552.03, 977,147,860.01 and 629,241,190.35

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Solution

The fourth proportional to 707,774,552.03, 977,147,860.01 and 629,241,190.35 is: 868,725,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,774,552.03 : 977,147,860.01 = 629,241,190.35 : x
  2. Step 2: Convert to fraction form
    707,774,552.03/977,147,860.01 = 629,241,190.35/x
  3. Step 3: Cross multiply
    707,774,552.03x = 977,147,860.01 × 629,241,190.35
  4. Step 4: Simplify right side
    707,774,552.03x = 614,861,682,577,501,440
  5. Step 5: Solve for x
    x = 614,861,682,577,501,440/707,774,552.03
  6. Step 6: Final answer
    x = 868,725,331.84

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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.