Home / 528,096,409.20-792,144,613.80-384,769,177.20

Finding the Fourth Proportional to 528,096,409.20, 792,144,613.80 and 384,769,177.20

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Solution

The fourth proportional to 528,096,409.20, 792,144,613.80 and 384,769,177.20 is: 577,153,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,096,409.20 : 792,144,613.80 = 384,769,177.20 : x
  2. Step 2: Convert to fraction form
    528,096,409.20/792,144,613.80 = 384,769,177.20/x
  3. Step 3: Cross multiply
    528,096,409.20x = 792,144,613.80 × 384,769,177.20
  4. Step 4: Simplify right side
    528,096,409.20x = 304,792,831,275,237,760
  5. Step 5: Solve for x
    x = 304,792,831,275,237,760/528,096,409.20
  6. Step 6: Final answer
    x = 577,153,765.80

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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.