Home / 1,533,816,000.40-2,300,724,000.60-428,418,720.40

Finding the Fourth Proportional to 1,533,816,000.40, 2,300,724,000.60 and 428,418,720.40

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Solution

The fourth proportional to 1,533,816,000.40, 2,300,724,000.60 and 428,418,720.40 is: 642,628,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,816,000.40 : 2,300,724,000.60 = 428,418,720.40 : x
  2. Step 2: Convert to fraction form
    1,533,816,000.40/2,300,724,000.60 = 428,418,720.40/x
  3. Step 3: Cross multiply
    1,533,816,000.40x = 2,300,724,000.60 × 428,418,720.40
  4. Step 4: Simplify right side
    1,533,816,000.40x = 985,673,232,330,620,800
  5. Step 5: Solve for x
    x = 985,673,232,330,620,800/1,533,816,000.40
  6. Step 6: Final answer
    x = 642,628,080.60

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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.