Home / 548,553,429,508.65-822,936,108,491.30-208,566,172,782.30

Finding the Fourth Proportional to 548,553,429,508.65, 822,936,108,491.30 and 208,566,172,782.30

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Solution

The fourth proportional to 548,553,429,508.65, 822,936,108,491.30 and 208,566,172,782.30 is: 312,889,547,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,553,429,508.65 : 822,936,108,491.30 = 208,566,172,782.30 : x
  2. Step 2: Convert to fraction form
    548,553,429,508.65/822,936,108,491.30 = 208,566,172,782.30/x
  3. Step 3: Cross multiply
    548,553,429,508.65x = 822,936,108,491.30 × 208,566,172,782.30
  4. Step 4: Simplify right side
    548,553,429,508.65x = 171,636,634,592,390,059,917,312
  5. Step 5: Solve for x
    x = 171,636,634,592,390,059,917,312/548,553,429,508.65
  6. Step 6: Final answer
    x = 312,889,547,962.77

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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.