Home / 443,943,416.26-612,643,225.17-245,718,678.88

Finding the Fourth Proportional to 443,943,416.26, 612,643,225.17 and 245,718,678.88

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Solution

The fourth proportional to 443,943,416.26, 612,643,225.17 and 245,718,678.88 is: 339,092,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,943,416.26 : 612,643,225.17 = 245,718,678.88 : x
  2. Step 2: Convert to fraction form
    443,943,416.26/612,643,225.17 = 245,718,678.88/x
  3. Step 3: Cross multiply
    443,943,416.26x = 612,643,225.17 × 245,718,678.88
  4. Step 4: Simplify right side
    443,943,416.26x = 150,537,883,913,554,752
  5. Step 5: Solve for x
    x = 150,537,883,913,554,752/443,943,416.26
  6. Step 6: Final answer
    x = 339,092,502.33

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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.