Home / 13,280,088,503.82-18,326,477,642.42-7,258,590,419.96

Finding the Fourth Proportional to 13,280,088,503.82, 18,326,477,642.42 and 7,258,590,419.96

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Solution

The fourth proportional to 13,280,088,503.82, 18,326,477,642.42 and 7,258,590,419.96 is: 10,016,830,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,088,503.82 : 18,326,477,642.42 = 7,258,590,419.96 : x
  2. Step 2: Convert to fraction form
    13,280,088,503.82/18,326,477,642.42 = 7,258,590,419.96/x
  3. Step 3: Cross multiply
    13,280,088,503.82x = 18,326,477,642.42 × 7,258,590,419.96
  4. Step 4: Simplify right side
    13,280,088,503.82x = 133,024,395,046,767,525,888
  5. Step 5: Solve for x
    x = 133,024,395,046,767,525,888/13,280,088,503.82
  6. Step 6: Final answer
    x = 10,016,830,460.77

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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.