Home / 386,897,712.60-579,590,741.70-233,086,877.40

Finding the Fourth Proportional to 386,897,712.60, 579,590,741.70 and 233,086,877.40

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Solution

The fourth proportional to 386,897,712.60, 579,590,741.70 and 233,086,877.40 is: 349,174,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,897,712.60 : 579,590,741.70 = 233,086,877.40 : x
  2. Step 2: Convert to fraction form
    386,897,712.60/579,590,741.70 = 233,086,877.40/x
  3. Step 3: Cross multiply
    386,897,712.60x = 579,590,741.70 × 233,086,877.40
  4. Step 4: Simplify right side
    386,897,712.60x = 135,094,996,152,802,976
  5. Step 5: Solve for x
    x = 135,094,996,152,802,976/386,897,712.60
  6. Step 6: Final answer
    x = 349,174,967.32

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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.