Home / 525,578,547.33-788,421,794.27-198,329,468.85

Finding the Fourth Proportional to 525,578,547.33, 788,421,794.27 and 198,329,468.85

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Solution

The fourth proportional to 525,578,547.33, 788,421,794.27 and 198,329,468.85 is: 297,514,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,578,547.33 : 788,421,794.27 = 198,329,468.85 : x
  2. Step 2: Convert to fraction form
    525,578,547.33/788,421,794.27 = 198,329,468.85/x
  3. Step 3: Cross multiply
    525,578,547.33x = 788,421,794.27 × 198,329,468.85
  4. Step 4: Simplify right side
    525,578,547.33x = 156,367,275,687,333,056
  5. Step 5: Solve for x
    x = 156,367,275,687,333,056/525,578,547.33
  6. Step 6: Final answer
    x = 297,514,570.34

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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.