Home / 790,275,190.50-1,090,579,762.89-442,594,678.50

Finding the Fourth Proportional to 790,275,190.50, 1,090,579,762.89 and 442,594,678.50

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Solution

The fourth proportional to 790,275,190.50, 1,090,579,762.89 and 442,594,678.50 is: 610,780,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,275,190.50 : 1,090,579,762.89 = 442,594,678.50 : x
  2. Step 2: Convert to fraction form
    790,275,190.50/1,090,579,762.89 = 442,594,678.50/x
  3. Step 3: Cross multiply
    790,275,190.50x = 1,090,579,762.89 × 442,594,678.50
  4. Step 4: Simplify right side
    790,275,190.50x = 482,684,799,534,905,856
  5. Step 5: Solve for x
    x = 482,684,799,534,905,856/790,275,190.50
  6. Step 6: Final answer
    x = 610,780,656.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.