Home / 7,167,534,533.84-9,890,692,573.64-3,995,578,143.20

Finding the Fourth Proportional to 7,167,534,533.84, 9,890,692,573.64 and 3,995,578,143.20

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Solution

The fourth proportional to 7,167,534,533.84, 9,890,692,573.64 and 3,995,578,143.20 is: 5,513,616,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,534,533.84 : 9,890,692,573.64 = 3,995,578,143.20 : x
  2. Step 2: Convert to fraction form
    7,167,534,533.84/9,890,692,573.64 = 3,995,578,143.20/x
  3. Step 3: Cross multiply
    7,167,534,533.84x = 9,890,692,573.64 × 3,995,578,143.20
  4. Step 4: Simplify right side
    7,167,534,533.84x = 39,519,035,068,346,540,032
  5. Step 5: Solve for x
    x = 39,519,035,068,346,540,032/7,167,534,533.84
  6. Step 6: Final answer
    x = 5,513,616,276.53

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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.