Home / 56,420,566,576.50-77,858,031,972.47-30,699,947,502.81

Finding the Fourth Proportional to 56,420,566,576.50, 77,858,031,972.47 and 30,699,947,502.81

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Solution

The fourth proportional to 56,420,566,576.50, 77,858,031,972.47 and 30,699,947,502.81 is: 42,364,648,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420,566,576.50 : 77,858,031,972.47 = 30,699,947,502.81 : x
  2. Step 2: Convert to fraction form
    56,420,566,576.50/77,858,031,972.47 = 30,699,947,502.81/x
  3. Step 3: Cross multiply
    56,420,566,576.50x = 77,858,031,972.47 × 30,699,947,502.81
  4. Step 4: Simplify right side
    56,420,566,576.50x = 2,390,237,494,226,778,062,848
  5. Step 5: Solve for x
    x = 2,390,237,494,226,778,062,848/56,420,566,576.50
  6. Step 6: Final answer
    x = 42,364,648,908.41

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Double scale
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1.5x scale

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.