Home / 7,788,424,524.42-10,748,035,291.50-4,220,128,670.64

Finding the Fourth Proportional to 7,788,424,524.42, 10,748,035,291.50 and 4,220,128,670.64

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Solution

The fourth proportional to 7,788,424,524.42, 10,748,035,291.50 and 4,220,128,670.64 is: 5,823,782,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,424,524.42 : 10,748,035,291.50 = 4,220,128,670.64 : x
  2. Step 2: Convert to fraction form
    7,788,424,524.42/10,748,035,291.50 = 4,220,128,670.64/x
  3. Step 3: Cross multiply
    7,788,424,524.42x = 10,748,035,291.50 × 4,220,128,670.64
  4. Step 4: Simplify right side
    7,788,424,524.42x = 45,358,091,886,709,694,464
  5. Step 5: Solve for x
    x = 45,358,091,886,709,694,464/7,788,424,524.42
  6. Step 6: Final answer
    x = 5,823,782,684.74

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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.