Home / 1,022,288,380-1,532,886,986.40-530,506,483.36

Finding the Fourth Proportional to 1,022,288,380, 1,532,886,986.40 and 530,506,483.36

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Solution

The fourth proportional to 1,022,288,380, 1,532,886,986.40 and 530,506,483.36 is: 795,476,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,288,380 : 1,532,886,986.40 = 530,506,483.36 : x
  2. Step 2: Convert to fraction form
    1,022,288,380/1,532,886,986.40 = 530,506,483.36/x
  3. Step 3: Cross multiply
    1,022,288,380x = 1,532,886,986.40 × 530,506,483.36
  4. Step 4: Simplify right side
    1,022,288,380x = 813,206,484,543,372,160
  5. Step 5: Solve for x
    x = 813,206,484,543,372,160/1,022,288,380
  6. Step 6: Final answer
    x = 795,476,599.81

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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.