Home / 524,360,386.05-723,618,793.67-286,207,720.89

Finding the Fourth Proportional to 524,360,386.05, 723,618,793.67 and 286,207,720.89

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Solution

The fourth proportional to 524,360,386.05, 723,618,793.67 and 286,207,720.89 is: 394,967,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,360,386.05 : 723,618,793.67 = 286,207,720.89 : x
  2. Step 2: Convert to fraction form
    524,360,386.05/723,618,793.67 = 286,207,720.89/x
  3. Step 3: Cross multiply
    524,360,386.05x = 723,618,793.67 × 286,207,720.89
  4. Step 4: Simplify right side
    524,360,386.05x = 207,105,285,728,030,784
  5. Step 5: Solve for x
    x = 207,105,285,728,030,784/524,360,386.05
  6. Step 6: Final answer
    x = 394,967,452.23

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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.