Home / 6,390,414,007.80-9,585,621,011.70-3,771,472,759.80

Finding the Fourth Proportional to 6,390,414,007.80, 9,585,621,011.70 and 3,771,472,759.80

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Solution

The fourth proportional to 6,390,414,007.80, 9,585,621,011.70 and 3,771,472,759.80 is: 5,657,209,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,414,007.80 : 9,585,621,011.70 = 3,771,472,759.80 : x
  2. Step 2: Convert to fraction form
    6,390,414,007.80/9,585,621,011.70 = 3,771,472,759.80/x
  3. Step 3: Cross multiply
    6,390,414,007.80x = 9,585,621,011.70 × 3,771,472,759.80
  4. Step 4: Simplify right side
    6,390,414,007.80x = 36,151,908,531,393,073,152
  5. Step 5: Solve for x
    x = 36,151,908,531,393,073,152/6,390,414,007.80
  6. Step 6: Final answer
    x = 5,657,209,139.70

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Double scale
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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.