Home / 554,409,780.20-831,614,670.30-528,900,612.20

Finding the Fourth Proportional to 554,409,780.20, 831,614,670.30 and 528,900,612.20

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Solution

The fourth proportional to 554,409,780.20, 831,614,670.30 and 528,900,612.20 is: 793,350,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,409,780.20 : 831,614,670.30 = 528,900,612.20 : x
  2. Step 2: Convert to fraction form
    554,409,780.20/831,614,670.30 = 528,900,612.20/x
  3. Step 3: Cross multiply
    554,409,780.20x = 831,614,670.30 × 528,900,612.20
  4. Step 4: Simplify right side
    554,409,780.20x = 439,841,508,236,171,136
  5. Step 5: Solve for x
    x = 439,841,508,236,171,136/554,409,780.20
  6. Step 6: Final answer
    x = 793,350,918.30

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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.