Home / 1,210,190,281.17-1,670,045,611.64-674,364,530.04

Finding the Fourth Proportional to 1,210,190,281.17, 1,670,045,611.64 and 674,364,530.04

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Solution

The fourth proportional to 1,210,190,281.17, 1,670,045,611.64 and 674,364,530.04 is: 930,613,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,190,281.17 : 1,670,045,611.64 = 674,364,530.04 : x
  2. Step 2: Convert to fraction form
    1,210,190,281.17/1,670,045,611.64 = 674,364,530.04/x
  3. Step 3: Cross multiply
    1,210,190,281.17x = 1,670,045,611.64 × 674,364,530.04
  4. Step 4: Simplify right side
    1,210,190,281.17x = 1,126,219,524,035,601,024
  5. Step 5: Solve for x
    x = 1,126,219,524,035,601,024/1,210,190,281.17
  6. Step 6: Final answer
    x = 930,613,591.56

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Double scale
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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.