Home / 13,280,088,504.20-18,326,477,642.94-7,258,590,420.33

Finding the Fourth Proportional to 13,280,088,504.20, 18,326,477,642.94 and 7,258,590,420.33

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Solution

The fourth proportional to 13,280,088,504.20, 18,326,477,642.94 and 7,258,590,420.33 is: 10,016,830,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,088,504.20 : 18,326,477,642.94 = 7,258,590,420.33 : x
  2. Step 2: Convert to fraction form
    13,280,088,504.20/18,326,477,642.94 = 7,258,590,420.33/x
  3. Step 3: Cross multiply
    13,280,088,504.20x = 18,326,477,642.94 × 7,258,590,420.33
  4. Step 4: Simplify right side
    13,280,088,504.20x = 133,024,395,057,399,922,688
  5. Step 5: Solve for x
    x = 133,024,395,057,399,922,688/13,280,088,504.20
  6. Step 6: Final answer
    x = 10,016,830,461.29

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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.