Home / 19,318,044,887.40-26,640,915,946.52-12,536,612,434.18

Finding the Fourth Proportional to 19,318,044,887.40, 26,640,915,946.52 and 12,536,612,434.18

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Solution

The fourth proportional to 19,318,044,887.40, 26,640,915,946.52 and 12,536,612,434.18 is: 17,288,852,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,044,887.40 : 26,640,915,946.52 = 12,536,612,434.18 : x
  2. Step 2: Convert to fraction form
    19,318,044,887.40/26,640,915,946.52 = 12,536,612,434.18/x
  3. Step 3: Cross multiply
    19,318,044,887.40x = 26,640,915,946.52 × 12,536,612,434.18
  4. Step 4: Simplify right side
    19,318,044,887.40x = 333,986,838,113,086,865,408
  5. Step 5: Solve for x
    x = 333,986,838,113,086,865,408/19,318,044,887.40
  6. Step 6: Final answer
    x = 17,288,852,990.03

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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.