Home / 554,409,743.20-831,614,614.80-528,900,575.20

Finding the Fourth Proportional to 554,409,743.20, 831,614,614.80 and 528,900,575.20

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Solution

The fourth proportional to 554,409,743.20, 831,614,614.80 and 528,900,575.20 is: 793,350,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,409,743.20 : 831,614,614.80 = 528,900,575.20 : x
  2. Step 2: Convert to fraction form
    554,409,743.20/831,614,614.80 = 528,900,575.20/x
  3. Step 3: Cross multiply
    554,409,743.20x = 831,614,614.80 × 528,900,575.20
  4. Step 4: Simplify right side
    554,409,743.20x = 439,841,448,112,446,400
  5. Step 5: Solve for x
    x = 439,841,448,112,446,400/554,409,743.20
  6. Step 6: Final answer
    x = 793,350,862.80

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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.