Home / 673,985,013.60-1,010,977,520.40-551,541,007.20

Finding the Fourth Proportional to 673,985,013.60, 1,010,977,520.40 and 551,541,007.20

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Solution

The fourth proportional to 673,985,013.60, 1,010,977,520.40 and 551,541,007.20 is: 827,311,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,985,013.60 : 1,010,977,520.40 = 551,541,007.20 : x
  2. Step 2: Convert to fraction form
    673,985,013.60/1,010,977,520.40 = 551,541,007.20/x
  3. Step 3: Cross multiply
    673,985,013.60x = 1,010,977,520.40 × 551,541,007.20
  4. Step 4: Simplify right side
    673,985,013.60x = 557,595,559,857,974,592
  5. Step 5: Solve for x
    x = 557,595,559,857,974,592/673,985,013.60
  6. Step 6: Final answer
    x = 827,311,510.80

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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.