Home / 431,569,430.55-647,354,145.83-293,819,923.35

Finding the Fourth Proportional to 431,569,430.55, 647,354,145.83 and 293,819,923.35

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Solution

The fourth proportional to 431,569,430.55, 647,354,145.83 and 293,819,923.35 is: 440,729,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,430.55 : 647,354,145.83 = 293,819,923.35 : x
  2. Step 2: Convert to fraction form
    431,569,430.55/647,354,145.83 = 293,819,923.35/x
  3. Step 3: Cross multiply
    431,569,430.55x = 647,354,145.83 × 293,819,923.35
  4. Step 4: Simplify right side
    431,569,430.55x = 190,205,545,506,606,240
  5. Step 5: Solve for x
    x = 190,205,545,506,606,240/431,569,430.55
  6. Step 6: Final answer
    x = 440,729,885.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.