Home / 2,113,152,065.80-3,169,728,098.70-1,378,488,027.40

Finding the Fourth Proportional to 2,113,152,065.80, 3,169,728,098.70 and 1,378,488,027.40

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Solution

The fourth proportional to 2,113,152,065.80, 3,169,728,098.70 and 1,378,488,027.40 is: 2,067,732,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,152,065.80 : 3,169,728,098.70 = 1,378,488,027.40 : x
  2. Step 2: Convert to fraction form
    2,113,152,065.80/3,169,728,098.70 = 1,378,488,027.40/x
  3. Step 3: Cross multiply
    2,113,152,065.80x = 3,169,728,098.70 × 1,378,488,027.40
  4. Step 4: Simplify right side
    2,113,152,065.80x = 4,369,432,234,171,315,712
  5. Step 5: Solve for x
    x = 4,369,432,234,171,315,712/2,113,152,065.80
  6. Step 6: Final answer
    x = 2,067,732,041.10

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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.