Home / 1,262,310,442.80-1,893,465,664.20-826,953,975.60

Finding the Fourth Proportional to 1,262,310,442.80, 1,893,465,664.20 and 826,953,975.60

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Solution

The fourth proportional to 1,262,310,442.80, 1,893,465,664.20 and 826,953,975.60 is: 1,240,430,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,310,442.80 : 1,893,465,664.20 = 826,953,975.60 : x
  2. Step 2: Convert to fraction form
    1,262,310,442.80/1,893,465,664.20 = 826,953,975.60/x
  3. Step 3: Cross multiply
    1,262,310,442.80x = 1,893,465,664.20 × 826,953,975.60
  4. Step 4: Simplify right side
    1,262,310,442.80x = 1,565,808,958,672,284,672
  5. Step 5: Solve for x
    x = 1,565,808,958,672,284,672/1,262,310,442.80
  6. Step 6: Final answer
    x = 1,240,430,963.40

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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.