Home / 568,074,143.80-852,111,215.70-292,575,129.40

Finding the Fourth Proportional to 568,074,143.80, 852,111,215.70 and 292,575,129.40

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Solution

The fourth proportional to 568,074,143.80, 852,111,215.70 and 292,575,129.40 is: 438,862,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,074,143.80 : 852,111,215.70 = 292,575,129.40 : x
  2. Step 2: Convert to fraction form
    568,074,143.80/852,111,215.70 = 292,575,129.40/x
  3. Step 3: Cross multiply
    568,074,143.80x = 852,111,215.70 × 292,575,129.40
  4. Step 4: Simplify right side
    568,074,143.80x = 249,306,549,196,618,816
  5. Step 5: Solve for x
    x = 249,306,549,196,618,816/568,074,143.80
  6. Step 6: Final answer
    x = 438,862,694.10

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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.