Home / 1,938,298,366.20-2,907,447,549.30-1,164,331,313.40

Finding the Fourth Proportional to 1,938,298,366.20, 2,907,447,549.30 and 1,164,331,313.40

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Solution

The fourth proportional to 1,938,298,366.20, 2,907,447,549.30 and 1,164,331,313.40 is: 1,746,496,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,298,366.20 : 2,907,447,549.30 = 1,164,331,313.40 : x
  2. Step 2: Convert to fraction form
    1,938,298,366.20/2,907,447,549.30 = 1,164,331,313.40/x
  3. Step 3: Cross multiply
    1,938,298,366.20x = 2,907,447,549.30 × 1,164,331,313.40
  4. Step 4: Simplify right side
    1,938,298,366.20x = 3,385,232,223,718,080,512
  5. Step 5: Solve for x
    x = 3,385,232,223,718,080,512/1,938,298,366.20
  6. Step 6: Final answer
    x = 1,746,496,970.10

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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.