Home / 347,095,859.67-478,990,972.40-190,465,587.81

Finding the Fourth Proportional to 347,095,859.67, 478,990,972.40 and 190,465,587.81

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Solution

The fourth proportional to 347,095,859.67, 478,990,972.40 and 190,465,587.81 is: 262,841,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,095,859.67 : 478,990,972.40 = 190,465,587.81 : x
  2. Step 2: Convert to fraction form
    347,095,859.67/478,990,972.40 = 190,465,587.81/x
  3. Step 3: Cross multiply
    347,095,859.67x = 478,990,972.40 × 190,465,587.81
  4. Step 4: Simplify right side
    347,095,859.67x = 91,231,297,112,897,152
  5. Step 5: Solve for x
    x = 91,231,297,112,897,152/347,095,859.67
  6. Step 6: Final answer
    x = 262,841,790.16

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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.