Home / 319,440,459.84-440,827,834.32-172,762,743.84

Finding the Fourth Proportional to 319,440,459.84, 440,827,834.32 and 172,762,743.84

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Solution

The fourth proportional to 319,440,459.84, 440,827,834.32 and 172,762,743.84 is: 238,412,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,440,459.84 : 440,827,834.32 = 172,762,743.84 : x
  2. Step 2: Convert to fraction form
    319,440,459.84/440,827,834.32 = 172,762,743.84/x
  3. Step 3: Cross multiply
    319,440,459.84x = 440,827,834.32 × 172,762,743.84
  4. Step 4: Simplify right side
    319,440,459.84x = 76,158,626,218,168,128
  5. Step 5: Solve for x
    x = 76,158,626,218,168,128/319,440,459.84
  6. Step 6: Final answer
    x = 238,412,586.36

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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.