Home / 1,328,688,889.20-1,993,033,333.80-1,262,176,095.60

Finding the Fourth Proportional to 1,328,688,889.20, 1,993,033,333.80 and 1,262,176,095.60

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Solution

The fourth proportional to 1,328,688,889.20, 1,993,033,333.80 and 1,262,176,095.60 is: 1,893,264,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,688,889.20 : 1,993,033,333.80 = 1,262,176,095.60 : x
  2. Step 2: Convert to fraction form
    1,328,688,889.20/1,993,033,333.80 = 1,262,176,095.60/x
  3. Step 3: Cross multiply
    1,328,688,889.20x = 1,993,033,333.80 × 1,262,176,095.60
  4. Step 4: Simplify right side
    1,328,688,889.20x = 2,515,559,031,656,335,360
  5. Step 5: Solve for x
    x = 2,515,559,031,656,335,360/1,328,688,889.20
  6. Step 6: Final answer
    x = 1,893,264,143.40

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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.