Home / 20,426,094,005.20-30,639,141,007.80-9,965,740,802.20

Finding the Fourth Proportional to 20,426,094,005.20, 30,639,141,007.80 and 9,965,740,802.20

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Solution

The fourth proportional to 20,426,094,005.20, 30,639,141,007.80 and 9,965,740,802.20 is: 14,948,611,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,094,005.20 : 30,639,141,007.80 = 9,965,740,802.20 : x
  2. Step 2: Convert to fraction form
    20,426,094,005.20/30,639,141,007.80 = 9,965,740,802.20/x
  3. Step 3: Cross multiply
    20,426,094,005.20x = 30,639,141,007.80 × 9,965,740,802.20
  4. Step 4: Simplify right side
    20,426,094,005.20x = 305,341,737,685,791,735,808
  5. Step 5: Solve for x
    x = 305,341,737,685,791,735,808/20,426,094,005.20
  6. Step 6: Final answer
    x = 14,948,611,203.30

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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.