Home / 2,870,008,259.28-3,960,611,447.40-1,549,908,815.28

Finding the Fourth Proportional to 2,870,008,259.28, 3,960,611,447.40 and 1,549,908,815.28

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Solution

The fourth proportional to 2,870,008,259.28, 3,960,611,447.40 and 1,549,908,815.28 is: 2,138,874,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,008,259.28 : 3,960,611,447.40 = 1,549,908,815.28 : x
  2. Step 2: Convert to fraction form
    2,870,008,259.28/3,960,611,447.40 = 1,549,908,815.28/x
  3. Step 3: Cross multiply
    2,870,008,259.28x = 3,960,611,447.40 × 1,549,908,815.28
  4. Step 4: Simplify right side
    2,870,008,259.28x = 6,138,586,596,224,140,288
  5. Step 5: Solve for x
    x = 6,138,586,596,224,140,288/2,870,008,259.28
  6. Step 6: Final answer
    x = 2,138,874,191.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.