Home / 60,577,571,642.64-90,868,208,617.32-20,782,788,269.52

Finding the Fourth Proportional to 60,577,571,642.64, 90,868,208,617.32 and 20,782,788,269.52

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Solution

The fourth proportional to 60,577,571,642.64, 90,868,208,617.32 and 20,782,788,269.52 is: 31,174,817,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577,571,642.64 : 90,868,208,617.32 = 20,782,788,269.52 : x
  2. Step 2: Convert to fraction form
    60,577,571,642.64/90,868,208,617.32 = 20,782,788,269.52/x
  3. Step 3: Cross multiply
    60,577,571,642.64x = 90,868,208,617.32 × 20,782,788,269.52
  4. Step 4: Simplify right side
    60,577,571,642.64x = 1,888,494,740,124,334,555,136
  5. Step 5: Solve for x
    x = 1,888,494,740,124,334,555,136/60,577,571,642.64
  6. Step 6: Final answer
    x = 31,174,817,492.93

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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.