Home / 2,870,008,144.80-3,960,611,289.60-1,549,908,700.80

Finding the Fourth Proportional to 2,870,008,144.80, 3,960,611,289.60 and 1,549,908,700.80

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Solution

The fourth proportional to 2,870,008,144.80, 3,960,611,289.60 and 1,549,908,700.80 is: 2,138,874,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,008,144.80 : 3,960,611,289.60 = 1,549,908,700.80 : x
  2. Step 2: Convert to fraction form
    2,870,008,144.80/3,960,611,289.60 = 1,549,908,700.80/x
  3. Step 3: Cross multiply
    2,870,008,144.80x = 3,960,611,289.60 × 1,549,908,700.80
  4. Step 4: Simplify right side
    2,870,008,144.80x = 6,138,585,898,237,748,224
  5. Step 5: Solve for x
    x = 6,138,585,898,237,748,224/2,870,008,144.80
  6. Step 6: Final answer
    x = 2,138,874,033.98

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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.