Home / 1,553,348,366.12-2,143,620,662.82-838,883,859.32

Finding the Fourth Proportional to 1,553,348,366.12, 2,143,620,662.82 and 838,883,859.32

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Solution

The fourth proportional to 1,553,348,366.12, 2,143,620,662.82 and 838,883,859.32 is: 1,157,659,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,348,366.12 : 2,143,620,662.82 = 838,883,859.32 : x
  2. Step 2: Convert to fraction form
    1,553,348,366.12/2,143,620,662.82 = 838,883,859.32/x
  3. Step 3: Cross multiply
    1,553,348,366.12x = 2,143,620,662.82 × 838,883,859.32
  4. Step 4: Simplify right side
    1,553,348,366.12x = 1,798,248,774,544,538,112
  5. Step 5: Solve for x
    x = 1,798,248,774,544,538,112/1,553,348,366.12
  6. Step 6: Final answer
    x = 1,157,659,681.35

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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.