Home / 915,168,438,234-1,262,932,650,908.70-503,636,916,933.80

Finding the Fourth Proportional to 915,168,438,234, 1,262,932,650,908.70 and 503,636,916,933.80

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Solution

The fourth proportional to 915,168,438,234, 1,262,932,650,908.70 and 503,636,916,933.80 is: 695,019,058,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,168,438,234 : 1,262,932,650,908.70 = 503,636,916,933.80 : x
  2. Step 2: Convert to fraction form
    915,168,438,234/1,262,932,650,908.70 = 503,636,916,933.80/x
  3. Step 3: Cross multiply
    915,168,438,234x = 1,262,932,650,908.70 × 503,636,916,933.80
  4. Step 4: Simplify right side
    915,168,438,234x = 636,059,506,598,688,747,159,552
  5. Step 5: Solve for x
    x = 636,059,506,598,688,747,159,552/915,168,438,234
  6. Step 6: Final answer
    x = 695,019,058,815.11

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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.