Home / 1,498,118,939.80-2,246,621,000.10-515,269,605.40

Finding the Fourth Proportional to 1,498,118,939.80, 2,246,621,000.10 and 515,269,605.40

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Solution

The fourth proportional to 1,498,118,939.80, 2,246,621,000.10 and 515,269,605.40 is: 772,712,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,118,939.80 : 2,246,621,000.10 = 515,269,605.40 : x
  2. Step 2: Convert to fraction form
    1,498,118,939.80/2,246,621,000.10 = 515,269,605.40/x
  3. Step 3: Cross multiply
    1,498,118,939.80x = 2,246,621,000.10 × 515,269,605.40
  4. Step 4: Simplify right side
    1,498,118,939.80x = 1,157,615,516,204,880,384
  5. Step 5: Solve for x
    x = 1,157,615,516,204,880,384/1,498,118,939.80
  6. Step 6: Final answer
    x = 772,712,690.19

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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.