Home / 548,553,429,491.76-822,936,108,465.98-208,566,172,765.40

Finding the Fourth Proportional to 548,553,429,491.76, 822,936,108,465.98 and 208,566,172,765.40

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Solution

The fourth proportional to 548,553,429,491.76, 822,936,108,465.98 and 208,566,172,765.40 is: 312,889,547,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,553,429,491.76 : 822,936,108,465.98 = 208,566,172,765.40 : x
  2. Step 2: Convert to fraction form
    548,553,429,491.76/822,936,108,465.98 = 208,566,172,765.40/x
  3. Step 3: Cross multiply
    548,553,429,491.76x = 822,936,108,465.98 × 208,566,172,765.40
  4. Step 4: Simplify right side
    548,553,429,491.76x = 171,636,634,573,201,521,770,496
  5. Step 5: Solve for x
    x = 171,636,634,573,201,521,770,496/548,553,429,491.76
  6. Step 6: Final answer
    x = 312,889,547,937.43

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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.