Home / 9,787,986,857.58-13,509,041,802.45-5,774,638,313.58

Finding the Fourth Proportional to 9,787,986,857.58, 13,509,041,802.45 and 5,774,638,313.58

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Solution

The fourth proportional to 9,787,986,857.58, 13,509,041,802.45 and 5,774,638,313.58 is: 7,969,956,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787,986,857.58 : 13,509,041,802.45 = 5,774,638,313.58 : x
  2. Step 2: Convert to fraction form
    9,787,986,857.58/13,509,041,802.45 = 5,774,638,313.58/x
  3. Step 3: Cross multiply
    9,787,986,857.58x = 13,509,041,802.45 × 5,774,638,313.58
  4. Step 4: Simplify right side
    9,787,986,857.58x = 78,009,830,372,181,590,016
  5. Step 5: Solve for x
    x = 78,009,830,372,181,590,016/9,787,986,857.58
  6. Step 6: Final answer
    x = 7,969,956,591.41

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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.