Home / 1,122,209,528.40-1,683,314,292.60-345,786,037.20

Finding the Fourth Proportional to 1,122,209,528.40, 1,683,314,292.60 and 345,786,037.20

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Solution

The fourth proportional to 1,122,209,528.40, 1,683,314,292.60 and 345,786,037.20 is: 518,679,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,209,528.40 : 1,683,314,292.60 = 345,786,037.20 : x
  2. Step 2: Convert to fraction form
    1,122,209,528.40/1,683,314,292.60 = 345,786,037.20/x
  3. Step 3: Cross multiply
    1,122,209,528.40x = 1,683,314,292.60 × 345,786,037.20
  4. Step 4: Simplify right side
    1,122,209,528.40x = 582,066,578,600,275,200
  5. Step 5: Solve for x
    x = 582,066,578,600,275,200/1,122,209,528.40
  6. Step 6: Final answer
    x = 518,679,055.80

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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.