Home / 15,247,210,688.61-21,041,661,100.41-8,473,314,776.10

Finding the Fourth Proportional to 15,247,210,688.61, 21,041,661,100.41 and 8,473,314,776.10

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Solution

The fourth proportional to 15,247,210,688.61, 21,041,661,100.41 and 8,473,314,776.10 is: 11,693,458,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,210,688.61 : 21,041,661,100.41 = 8,473,314,776.10 : x
  2. Step 2: Convert to fraction form
    15,247,210,688.61/21,041,661,100.41 = 8,473,314,776.10/x
  3. Step 3: Cross multiply
    15,247,210,688.61x = 21,041,661,100.41 × 8,473,314,776.10
  4. Step 4: Simplify right side
    15,247,210,688.61x = 178,292,617,915,792,654,336
  5. Step 5: Solve for x
    x = 178,292,617,915,792,654,336/15,247,210,688.61
  6. Step 6: Final answer
    x = 11,693,458,007.31

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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.