Home / 10,428,930,111.40-15,643,395,167.10-4,918,949,823.40

Finding the Fourth Proportional to 10,428,930,111.40, 15,643,395,167.10 and 4,918,949,823.40

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Solution

The fourth proportional to 10,428,930,111.40, 15,643,395,167.10 and 4,918,949,823.40 is: 7,378,424,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,930,111.40 : 15,643,395,167.10 = 4,918,949,823.40 : x
  2. Step 2: Convert to fraction form
    10,428,930,111.40/15,643,395,167.10 = 4,918,949,823.40/x
  3. Step 3: Cross multiply
    10,428,930,111.40x = 15,643,395,167.10 × 4,918,949,823.40
  4. Step 4: Simplify right side
    10,428,930,111.40x = 76,949,075,894,582,951,936
  5. Step 5: Solve for x
    x = 76,949,075,894,582,951,936/10,428,930,111.40
  6. Step 6: Final answer
    x = 7,378,424,735.10

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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.