Home / 524,360,385.30-723,618,792.63-286,207,720.14

Finding the Fourth Proportional to 524,360,385.30, 723,618,792.63 and 286,207,720.14

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Solution

The fourth proportional to 524,360,385.30, 723,618,792.63 and 286,207,720.14 is: 394,967,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,360,385.30 : 723,618,792.63 = 286,207,720.14 : x
  2. Step 2: Convert to fraction form
    524,360,385.30/723,618,792.63 = 286,207,720.14/x
  3. Step 3: Cross multiply
    524,360,385.30x = 723,618,792.63 × 286,207,720.14
  4. Step 4: Simplify right side
    524,360,385.30x = 207,105,284,889,091,712
  5. Step 5: Solve for x
    x = 207,105,284,889,091,712/524,360,385.30
  6. Step 6: Final answer
    x = 394,967,451.19

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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.