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Finding the Fourth Proportional to 335,207,943.40, 502,811,915.10 and 335,207,943.40

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Solution

The fourth proportional to 335,207,943.40, 502,811,915.10 and 335,207,943.40 is: 502,811,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,207,943.40 : 502,811,915.10 = 335,207,943.40 : x
  2. Step 2: Convert to fraction form
    335,207,943.40/502,811,915.10 = 335,207,943.40/x
  3. Step 3: Cross multiply
    335,207,943.40x = 502,811,915.10 × 335,207,943.40
  4. Step 4: Simplify right side
    335,207,943.40x = 168,546,547,977,686,400
  5. Step 5: Solve for x
    x = 168,546,547,977,686,400/335,207,943.40
  6. Step 6: Final answer
    x = 502,811,915.10

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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.