Home / 1,210,190,278.92-1,670,045,608.50-674,364,527.82

Finding the Fourth Proportional to 1,210,190,278.92, 1,670,045,608.50 and 674,364,527.82

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Solution

The fourth proportional to 1,210,190,278.92, 1,670,045,608.50 and 674,364,527.82 is: 930,613,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,190,278.92 : 1,670,045,608.50 = 674,364,527.82 : x
  2. Step 2: Convert to fraction form
    1,210,190,278.92/1,670,045,608.50 = 674,364,527.82/x
  3. Step 3: Cross multiply
    1,210,190,278.92x = 1,670,045,608.50 × 674,364,527.82
  4. Step 4: Simplify right side
    1,210,190,278.92x = 1,126,219,518,213,967,104
  5. Step 5: Solve for x
    x = 1,126,219,518,213,967,104/1,210,190,278.92
  6. Step 6: Final answer
    x = 930,613,588.48

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Double scale
Find fourth proportional to 1,210,190,279.92, 1,670,045,609.88 and 674,364,528.82
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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.