Home / 14,207,333,581.66-19,604,779,190.79-8,490,479,858.38

Finding the Fourth Proportional to 14,207,333,581.66, 19,604,779,190.79 and 8,490,479,858.38

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Solution

The fourth proportional to 14,207,333,581.66, 19,604,779,190.79 and 8,490,479,858.38 is: 11,716,060,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207,333,581.66 : 19,604,779,190.79 = 8,490,479,858.38 : x
  2. Step 2: Convert to fraction form
    14,207,333,581.66/19,604,779,190.79 = 8,490,479,858.38/x
  3. Step 3: Cross multiply
    14,207,333,581.66x = 19,604,779,190.79 × 8,490,479,858.38
  4. Step 4: Simplify right side
    14,207,333,581.66x = 166,453,982,847,389,859,840
  5. Step 5: Solve for x
    x = 166,453,982,847,389,859,840/14,207,333,581.66
  6. Step 6: Final answer
    x = 11,716,060,715.45

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Double scale
Find fourth proportional to 14,207,333,582.66, 19,604,779,192.17 and 8,490,479,859.38
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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.