Home / 1,146,146,110.55-1,581,672,124.62-644,357,130.93

Finding the Fourth Proportional to 1,146,146,110.55, 1,581,672,124.62 and 644,357,130.93

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Solution

The fourth proportional to 1,146,146,110.55, 1,581,672,124.62 and 644,357,130.93 is: 889,207,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,146,110.55 : 1,581,672,124.62 = 644,357,130.93 : x
  2. Step 2: Convert to fraction form
    1,146,146,110.55/1,581,672,124.62 = 644,357,130.93/x
  3. Step 3: Cross multiply
    1,146,146,110.55x = 1,581,672,124.62 × 644,357,130.93
  4. Step 4: Simplify right side
    1,146,146,110.55x = 1,019,161,712,297,882,624
  5. Step 5: Solve for x
    x = 1,019,161,712,297,882,624/1,146,146,110.55
  6. Step 6: Final answer
    x = 889,207,495.38

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Double scale
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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.