Home / 9,789,142,837.64-13,509,019,058.82-5,333,807,212.52

Finding the Fourth Proportional to 9,789,142,837.64, 13,509,019,058.82 and 5,333,807,212.52

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Solution

The fourth proportional to 9,789,142,837.64, 13,509,019,058.82 and 5,333,807,212.52 is: 7,360,655,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,142,837.64 : 13,509,019,058.82 = 5,333,807,212.52 : x
  2. Step 2: Convert to fraction form
    9,789,142,837.64/13,509,019,058.82 = 5,333,807,212.52/x
  3. Step 3: Cross multiply
    9,789,142,837.64x = 13,509,019,058.82 × 5,333,807,212.52
  4. Step 4: Simplify right side
    9,789,142,837.64x = 72,054,503,290,004,258,816
  5. Step 5: Solve for x
    x = 72,054,503,290,004,258,816/9,789,142,837.64
  6. Step 6: Final answer
    x = 7,360,655,011.89

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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.