Home / 56,266,916,578.80-77,648,497,667.64-30,894,031,342.32

Finding the Fourth Proportional to 56,266,916,578.80, 77,648,497,667.64 and 30,894,031,342.32

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Solution

The fourth proportional to 56,266,916,578.80, 77,648,497,667.64 and 30,894,031,342.32 is: 42,633,847,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,266,916,578.80 : 77,648,497,667.64 = 30,894,031,342.32 : x
  2. Step 2: Convert to fraction form
    56,266,916,578.80/77,648,497,667.64 = 30,894,031,342.32/x
  3. Step 3: Cross multiply
    56,266,916,578.80x = 77,648,497,667.64 × 30,894,031,342.32
  4. Step 4: Simplify right side
    56,266,916,578.80x = 2,398,875,120,628,131,692,544
  5. Step 5: Solve for x
    x = 2,398,875,120,628,131,692,544/56,266,916,578.80
  6. Step 6: Final answer
    x = 42,633,847,142.99

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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.