Home / 915,168,438,235-1,262,932,650,910.10-503,636,916,934.80

Finding the Fourth Proportional to 915,168,438,235, 1,262,932,650,910.10 and 503,636,916,934.80

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Solution

The fourth proportional to 915,168,438,235, 1,262,932,650,910.10 and 503,636,916,934.80 is: 695,019,058,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,168,438,235 : 1,262,932,650,910.10 = 503,636,916,934.80 : x
  2. Step 2: Convert to fraction form
    915,168,438,235/1,262,932,650,910.10 = 503,636,916,934.80/x
  3. Step 3: Cross multiply
    915,168,438,235x = 1,262,932,650,910.10 × 503,636,916,934.80
  4. Step 4: Simplify right side
    915,168,438,235x = 636,059,506,600,656,781,705,216
  5. Step 5: Solve for x
    x = 636,059,506,600,656,781,705,216/915,168,438,235
  6. Step 6: Final answer
    x = 695,019,058,816.50

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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.