Home / 319,214,066.80-478,835,370.36-97,869,480.80

Finding the Fourth Proportional to 319,214,066.80, 478,835,370.36 and 97,869,480.80

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Solution

The fourth proportional to 319,214,066.80, 478,835,370.36 and 97,869,480.80 is: 146,808,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,214,066.80 : 478,835,370.36 = 97,869,480.80 : x
  2. Step 2: Convert to fraction form
    319,214,066.80/478,835,370.36 = 97,869,480.80/x
  3. Step 3: Cross multiply
    319,214,066.80x = 478,835,370.36 × 97,869,480.80
  4. Step 4: Simplify right side
    319,214,066.80x = 46,863,369,085,808,912
  5. Step 5: Solve for x
    x = 46,863,369,085,808,912/319,214,066.80
  6. Step 6: Final answer
    x = 146,808,596.36

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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.