Home / 679,887,086.40-1,019,830,629.60-623,200,046.40

Finding the Fourth Proportional to 679,887,086.40, 1,019,830,629.60 and 623,200,046.40

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Solution

The fourth proportional to 679,887,086.40, 1,019,830,629.60 and 623,200,046.40 is: 934,800,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,887,086.40 : 1,019,830,629.60 = 623,200,046.40 : x
  2. Step 2: Convert to fraction form
    679,887,086.40/1,019,830,629.60 = 623,200,046.40/x
  3. Step 3: Cross multiply
    679,887,086.40x = 1,019,830,629.60 × 623,200,046.40
  4. Step 4: Simplify right side
    679,887,086.40x = 635,558,495,686,861,184
  5. Step 5: Solve for x
    x = 635,558,495,686,861,184/679,887,086.40
  6. Step 6: Final answer
    x = 934,800,069.60

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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.