Home / 647,036,000.70-970,554,001.05-284,238,944.70

Finding the Fourth Proportional to 647,036,000.70, 970,554,001.05 and 284,238,944.70

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Solution

The fourth proportional to 647,036,000.70, 970,554,001.05 and 284,238,944.70 is: 426,358,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,036,000.70 : 970,554,001.05 = 284,238,944.70 : x
  2. Step 2: Convert to fraction form
    647,036,000.70/970,554,001.05 = 284,238,944.70/x
  3. Step 3: Cross multiply
    647,036,000.70x = 970,554,001.05 × 284,238,944.70
  4. Step 4: Simplify right side
    647,036,000.70x = 275,869,245,032,814,656
  5. Step 5: Solve for x
    x = 275,869,245,032,814,656/647,036,000.70
  6. Step 6: Final answer
    x = 426,358,417.05

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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.