Home / 18,776,448,001.20-28,164,672,001.80-9,456,594,740.40

Finding the Fourth Proportional to 18,776,448,001.20, 28,164,672,001.80 and 9,456,594,740.40

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Solution

The fourth proportional to 18,776,448,001.20, 28,164,672,001.80 and 9,456,594,740.40 is: 14,184,892,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776,448,001.20 : 28,164,672,001.80 = 9,456,594,740.40 : x
  2. Step 2: Convert to fraction form
    18,776,448,001.20/28,164,672,001.80 = 9,456,594,740.40/x
  3. Step 3: Cross multiply
    18,776,448,001.20x = 28,164,672,001.80 × 9,456,594,740.40
  4. Step 4: Simplify right side
    18,776,448,001.20x = 266,341,889,117,313,007,616
  5. Step 5: Solve for x
    x = 266,341,889,117,313,007,616/18,776,448,001.20
  6. Step 6: Final answer
    x = 14,184,892,110.60

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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.