Home / 568,012,356,126.75-783,881,691,421.68-314,553,262,878.75

Finding the Fourth Proportional to 568,012,356,126.75, 783,881,691,421.68 and 314,553,262,878.75

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Solution

The fourth proportional to 568,012,356,126.75, 783,881,691,421.68 and 314,553,262,878.75 is: 434,097,147,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,012,356,126.75 : 783,881,691,421.68 = 314,553,262,878.75 : x
  2. Step 2: Convert to fraction form
    568,012,356,126.75/783,881,691,421.68 = 314,553,262,878.75/x
  3. Step 3: Cross multiply
    568,012,356,126.75x = 783,881,691,421.68 × 314,553,262,878.75
  4. Step 4: Simplify right side
    568,012,356,126.75x = 246,572,543,747,602,908,184,576
  5. Step 5: Solve for x
    x = 246,572,543,747,602,908,184,576/568,012,356,126.75
  6. Step 6: Final answer
    x = 434,097,147,866.59

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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.