Home / 641,543,749.99-885,730,231.19-440,946,030.13

Finding the Fourth Proportional to 641,543,749.99, 885,730,231.19 and 440,946,030.13

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Solution

The fourth proportional to 641,543,749.99, 885,730,231.19 and 440,946,030.13 is: 608,780,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,543,749.99 : 885,730,231.19 = 440,946,030.13 : x
  2. Step 2: Convert to fraction form
    641,543,749.99/885,730,231.19 = 440,946,030.13/x
  3. Step 3: Cross multiply
    641,543,749.99x = 885,730,231.19 × 440,946,030.13
  4. Step 4: Simplify right side
    641,543,749.99x = 390,559,229,208,245,632
  5. Step 5: Solve for x
    x = 390,559,229,208,245,632/641,543,749.99
  6. Step 6: Final answer
    x = 608,780,350.86

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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.