Home / 18,551,838,583.60-27,827,757,875.40-9,705,259,121.20

Finding the Fourth Proportional to 18,551,838,583.60, 27,827,757,875.40 and 9,705,259,121.20

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Solution

The fourth proportional to 18,551,838,583.60, 27,827,757,875.40 and 9,705,259,121.20 is: 14,557,888,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,583.60 : 27,827,757,875.40 = 9,705,259,121.20 : x
  2. Step 2: Convert to fraction form
    18,551,838,583.60/27,827,757,875.40 = 9,705,259,121.20/x
  3. Step 3: Cross multiply
    18,551,838,583.60x = 27,827,757,875.40 × 9,705,259,121.20
  4. Step 4: Simplify right side
    18,551,838,583.60x = 270,075,600,942,771,011,584
  5. Step 5: Solve for x
    x = 270,075,600,942,771,011,584/18,551,838,583.60
  6. Step 6: Final answer
    x = 14,557,888,681.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.