Home / 1,210,190,244.50-1,670,045,561.30-674,364,493.58

Finding the Fourth Proportional to 1,210,190,244.50, 1,670,045,561.30 and 674,364,493.58

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Solution

The fourth proportional to 1,210,190,244.50, 1,670,045,561.30 and 674,364,493.58 is: 930,613,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,190,244.50 : 1,670,045,561.30 = 674,364,493.58 : x
  2. Step 2: Convert to fraction form
    1,210,190,244.50/1,670,045,561.30 = 674,364,493.58/x
  3. Step 3: Cross multiply
    1,210,190,244.50x = 1,670,045,561.30 × 674,364,493.58
  4. Step 4: Simplify right side
    1,210,190,244.50x = 1,126,219,429,194,937,088
  5. Step 5: Solve for x
    x = 1,126,219,429,194,937,088/1,210,190,244.50
  6. Step 6: Final answer
    x = 930,613,541.39

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Double scale
Find fourth proportional to 1,210,190,245.50, 1,670,045,562.68 and 674,364,494.58
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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.