Home / 839,709,423.40-1,259,564,135.10-534,355,234.60

Finding the Fourth Proportional to 839,709,423.40, 1,259,564,135.10 and 534,355,234.60

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Solution

The fourth proportional to 839,709,423.40, 1,259,564,135.10 and 534,355,234.60 is: 801,532,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,709,423.40 : 1,259,564,135.10 = 534,355,234.60 : x
  2. Step 2: Convert to fraction form
    839,709,423.40/1,259,564,135.10 = 534,355,234.60/x
  3. Step 3: Cross multiply
    839,709,423.40x = 1,259,564,135.10 × 534,355,234.60
  4. Step 4: Simplify right side
    839,709,423.40x = 673,054,688,905,106,560
  5. Step 5: Solve for x
    x = 673,054,688,905,106,560/839,709,423.40
  6. Step 6: Final answer
    x = 801,532,851.90

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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.