Home / 13,393,472,001.40-20,090,208,002.10-10,487,910,503.80

Finding the Fourth Proportional to 13,393,472,001.40, 20,090,208,002.10 and 10,487,910,503.80

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Solution

The fourth proportional to 13,393,472,001.40, 20,090,208,002.10 and 10,487,910,503.80 is: 15,731,865,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393,472,001.40 : 20,090,208,002.10 = 10,487,910,503.80 : x
  2. Step 2: Convert to fraction form
    13,393,472,001.40/20,090,208,002.10 = 10,487,910,503.80/x
  3. Step 3: Cross multiply
    13,393,472,001.40x = 20,090,208,002.10 × 10,487,910,503.80
  4. Step 4: Simplify right side
    13,393,472,001.40x = 210,704,303,528,751,366,144
  5. Step 5: Solve for x
    x = 210,704,303,528,751,366,144/13,393,472,001.40
  6. Step 6: Final answer
    x = 15,731,865,755.70

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Double scale
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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.