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Finding the Fourth Proportional to 499,392,030.40, 749,088,045.60 and 499,392,030.40

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Solution

The fourth proportional to 499,392,030.40, 749,088,045.60 and 499,392,030.40 is: 749,088,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,392,030.40 : 749,088,045.60 = 499,392,030.40 : x
  2. Step 2: Convert to fraction form
    499,392,030.40/749,088,045.60 = 499,392,030.40/x
  3. Step 3: Cross multiply
    499,392,030.40x = 749,088,045.60 × 499,392,030.40
  4. Step 4: Simplify right side
    499,392,030.40x = 374,088,600,040,551,808
  5. Step 5: Solve for x
    x = 374,088,600,040,551,808/499,392,030.40
  6. Step 6: Final answer
    x = 749,088,045.60

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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.