Home / 1,430,838,000.60-2,146,257,000.90-1,120,901,609.40

Finding the Fourth Proportional to 1,430,838,000.60, 2,146,257,000.90 and 1,120,901,609.40

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Solution

The fourth proportional to 1,430,838,000.60, 2,146,257,000.90 and 1,120,901,609.40 is: 1,681,352,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,838,000.60 : 2,146,257,000.90 = 1,120,901,609.40 : x
  2. Step 2: Convert to fraction form
    1,430,838,000.60/2,146,257,000.90 = 1,120,901,609.40/x
  3. Step 3: Cross multiply
    1,430,838,000.60x = 2,146,257,000.90 × 1,120,901,609.40
  4. Step 4: Simplify right side
    1,430,838,000.60x = 2,405,742,926,494,827,520
  5. Step 5: Solve for x
    x = 2,405,742,926,494,827,520/1,430,838,000.60
  6. Step 6: Final answer
    x = 1,681,352,414.10

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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.