Home / 508,401,348.60-762,602,022.90-144,848,465.40

Finding the Fourth Proportional to 508,401,348.60, 762,602,022.90 and 144,848,465.40

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Solution

The fourth proportional to 508,401,348.60, 762,602,022.90 and 144,848,465.40 is: 217,272,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,401,348.60 : 762,602,022.90 = 144,848,465.40 : x
  2. Step 2: Convert to fraction form
    508,401,348.60/762,602,022.90 = 144,848,465.40/x
  3. Step 3: Cross multiply
    508,401,348.60x = 762,602,022.90 × 144,848,465.40
  4. Step 4: Simplify right side
    508,401,348.60x = 110,461,732,728,000,656
  5. Step 5: Solve for x
    x = 110,461,732,728,000,656/508,401,348.60
  6. Step 6: Final answer
    x = 217,272,698.10

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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.