Home / 64,936,604,663.78-89,580,670,148.15-56,350,981,000.67

Finding the Fourth Proportional to 64,936,604,663.78, 89,580,670,148.15 and 56,350,981,000.67

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Solution

The fourth proportional to 64,936,604,663.78, 89,580,670,148.15 and 56,350,981,000.67 is: 77,736,719,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936,604,663.78 : 89,580,670,148.15 = 56,350,981,000.67 : x
  2. Step 2: Convert to fraction form
    64,936,604,663.78/89,580,670,148.15 = 56,350,981,000.67/x
  3. Step 3: Cross multiply
    64,936,604,663.78x = 89,580,670,148.15 × 56,350,981,000.67
  4. Step 4: Simplify right side
    64,936,604,663.78x = 5,047,958,641,545,351,004,160
  5. Step 5: Solve for x
    x = 5,047,958,641,545,351,004,160/64,936,604,663.78
  6. Step 6: Final answer
    x = 77,736,719,800.52

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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.