Home / 1,260,280,304.20-1,889,570,150.70-605,544,992.20

Finding the Fourth Proportional to 1,260,280,304.20, 1,889,570,150.70 and 605,544,992.20

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Solution

The fourth proportional to 1,260,280,304.20, 1,889,570,150.70 and 605,544,992.20 is: 907,908,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,280,304.20 : 1,889,570,150.70 = 605,544,992.20 : x
  2. Step 2: Convert to fraction form
    1,260,280,304.20/1,889,570,150.70 = 605,544,992.20/x
  3. Step 3: Cross multiply
    1,260,280,304.20x = 1,889,570,150.70 × 605,544,992.20
  4. Step 4: Simplify right side
    1,260,280,304.20x = 1,144,219,742,166,984,448
  5. Step 5: Solve for x
    x = 1,144,219,742,166,984,448/1,260,280,304.20
  6. Step 6: Final answer
    x = 907,908,929.75

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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.