Home / 1,245,863,420.20-1,868,795,130.30-1,043,301,730.60

Finding the Fourth Proportional to 1,245,863,420.20, 1,868,795,130.30 and 1,043,301,730.60

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Solution

The fourth proportional to 1,245,863,420.20, 1,868,795,130.30 and 1,043,301,730.60 is: 1,564,952,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,863,420.20 : 1,868,795,130.30 = 1,043,301,730.60 : x
  2. Step 2: Convert to fraction form
    1,245,863,420.20/1,868,795,130.30 = 1,043,301,730.60/x
  3. Step 3: Cross multiply
    1,245,863,420.20x = 1,868,795,130.30 × 1,043,301,730.60
  4. Step 4: Simplify right side
    1,245,863,420.20x = 1,949,717,193,578,842,368
  5. Step 5: Solve for x
    x = 1,949,717,193,578,842,368/1,245,863,420.20
  6. Step 6: Final answer
    x = 1,564,952,595.90

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Double scale
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Similar ratio
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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.