Home / 1,511,778,624.56-2,086,254,484.56-816,417,600.56

Finding the Fourth Proportional to 1,511,778,624.56, 2,086,254,484.56 and 816,417,600.56

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Solution

The fourth proportional to 1,511,778,624.56, 2,086,254,484.56 and 816,417,600.56 is: 1,126,656,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,778,624.56 : 2,086,254,484.56 = 816,417,600.56 : x
  2. Step 2: Convert to fraction form
    1,511,778,624.56/2,086,254,484.56 = 816,417,600.56/x
  3. Step 3: Cross multiply
    1,511,778,624.56x = 2,086,254,484.56 × 816,417,600.56
  4. Step 4: Simplify right side
    1,511,778,624.56x = 1,703,254,880,442,014,720
  5. Step 5: Solve for x
    x = 1,703,254,880,442,014,720/1,511,778,624.56
  6. Step 6: Final answer
    x = 1,126,656,279.41

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1.5x scale

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.