Home / 456,904,479.06-631,119,640.23-377,838,908.10

Finding the Fourth Proportional to 456,904,479.06, 631,119,640.23 and 377,838,908.10

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Solution

The fourth proportional to 456,904,479.06, 631,119,640.23 and 377,838,908.10 is: 521,906,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,904,479.06 : 631,119,640.23 = 377,838,908.10 : x
  2. Step 2: Convert to fraction form
    456,904,479.06/631,119,640.23 = 377,838,908.10/x
  3. Step 3: Cross multiply
    456,904,479.06x = 631,119,640.23 × 377,838,908.10
  4. Step 4: Simplify right side
    456,904,479.06x = 238,461,555,744,968,064
  5. Step 5: Solve for x
    x = 238,461,555,744,968,064/456,904,479.06
  6. Step 6: Final answer
    x = 521,906,802.57

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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.