Home / 2,146,227,487.40-3,219,341,231.10-1,319,730,444.20

Finding the Fourth Proportional to 2,146,227,487.40, 3,219,341,231.10 and 1,319,730,444.20

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Solution

The fourth proportional to 2,146,227,487.40, 3,219,341,231.10 and 1,319,730,444.20 is: 1,979,595,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,227,487.40 : 3,219,341,231.10 = 1,319,730,444.20 : x
  2. Step 2: Convert to fraction form
    2,146,227,487.40/3,219,341,231.10 = 1,319,730,444.20/x
  3. Step 3: Cross multiply
    2,146,227,487.40x = 3,219,341,231.10 × 1,319,730,444.20
  4. Step 4: Simplify right side
    2,146,227,487.40x = 4,248,662,632,950,978,048
  5. Step 5: Solve for x
    x = 4,248,662,632,950,978,048/2,146,227,487.40
  6. Step 6: Final answer
    x = 1,979,595,666.30

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1.5x scale

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.