Home / 1,115,277,433.60-1,672,916,150.40-655,435,897.60

Finding the Fourth Proportional to 1,115,277,433.60, 1,672,916,150.40 and 655,435,897.60

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Solution

The fourth proportional to 1,115,277,433.60, 1,672,916,150.40 and 655,435,897.60 is: 983,153,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,277,433.60 : 1,672,916,150.40 = 655,435,897.60 : x
  2. Step 2: Convert to fraction form
    1,115,277,433.60/1,672,916,150.40 = 655,435,897.60/x
  3. Step 3: Cross multiply
    1,115,277,433.60x = 1,672,916,150.40 × 655,435,897.60
  4. Step 4: Simplify right side
    1,115,277,433.60x = 1,096,489,298,646,960,640
  5. Step 5: Solve for x
    x = 1,096,489,298,646,960,640/1,115,277,433.60
  6. Step 6: Final answer
    x = 983,153,846.40

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Double scale
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Similar ratio
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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.