Home / 78,319,178,122.76-117,478,620,442.77-24,540,430,685.47

Finding the Fourth Proportional to 78,319,178,122.76, 117,478,620,442.77 and 24,540,430,685.47

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Solution

The fourth proportional to 78,319,178,122.76, 117,478,620,442.77 and 24,540,430,685.47 is: 36,810,600,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319,178,122.76 : 117,478,620,442.77 = 24,540,430,685.47 : x
  2. Step 2: Convert to fraction form
    78,319,178,122.76/117,478,620,442.77 = 24,540,430,685.47/x
  3. Step 3: Cross multiply
    78,319,178,122.76x = 117,478,620,442.77 × 24,540,430,685.47
  4. Step 4: Simplify right side
    78,319,178,122.76x = 2,882,975,942,000,436,576,256
  5. Step 5: Solve for x
    x = 2,882,975,942,000,436,576,256/78,319,178,122.76
  6. Step 6: Final answer
    x = 36,810,600,048.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.