Home / 19,251,217,040.70-26,535,983,384.80-15,175,472,153.34

Finding the Fourth Proportional to 19,251,217,040.70, 26,535,983,384.80 and 15,175,472,153.34

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Solution

The fourth proportional to 19,251,217,040.70, 26,535,983,384.80 and 15,175,472,153.34 is: 20,917,954,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,217,040.70 : 26,535,983,384.80 = 15,175,472,153.34 : x
  2. Step 2: Convert to fraction form
    19,251,217,040.70/26,535,983,384.80 = 15,175,472,153.34/x
  3. Step 3: Cross multiply
    19,251,217,040.70x = 26,535,983,384.80 × 15,175,472,153.34
  4. Step 4: Simplify right side
    19,251,217,040.70x = 402,696,076,917,525,315,584
  5. Step 5: Solve for x
    x = 402,696,076,917,525,315,584/19,251,217,040.70
  6. Step 6: Final answer
    x = 20,917,954,229.40

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Double scale
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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.