Home / 435,897,688.20-653,521,106.70-263,338,139.40

Finding the Fourth Proportional to 435,897,688.20, 653,521,106.70 and 263,338,139.40

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Solution

The fourth proportional to 435,897,688.20, 653,521,106.70 and 263,338,139.40 is: 394,810,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,897,688.20 : 653,521,106.70 = 263,338,139.40 : x
  2. Step 2: Convert to fraction form
    435,897,688.20/653,521,106.70 = 263,338,139.40/x
  3. Step 3: Cross multiply
    435,897,688.20x = 653,521,106.70 × 263,338,139.40
  4. Step 4: Simplify right side
    435,897,688.20x = 172,097,032,297,006,880
  5. Step 5: Solve for x
    x = 172,097,032,297,006,880/435,897,688.20
  6. Step 6: Final answer
    x = 394,810,610.28

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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.