Home / 53,270,448,904.76-79,896,017,736.95-21,397,837,592.61

Finding the Fourth Proportional to 53,270,448,904.76, 79,896,017,736.95 and 21,397,837,592.61

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Solution

The fourth proportional to 53,270,448,904.76, 79,896,017,736.95 and 21,397,837,592.61 is: 32,092,877,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270,448,904.76 : 79,896,017,736.95 = 21,397,837,592.61 : x
  2. Step 2: Convert to fraction form
    53,270,448,904.76/79,896,017,736.95 = 21,397,837,592.61/x
  3. Step 3: Cross multiply
    53,270,448,904.76x = 79,896,017,736.95 × 21,397,837,592.61
  4. Step 4: Simplify right side
    53,270,448,904.76x = 1,709,602,011,831,437,361,152
  5. Step 5: Solve for x
    x = 1,709,602,011,831,437,361,152/53,270,448,904.76
  6. Step 6: Final answer
    x = 32,092,877,889.73

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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.