Home / 592,035,999.40-888,053,999.10-408,369,989.80

Finding the Fourth Proportional to 592,035,999.40, 888,053,999.10 and 408,369,989.80

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Solution

The fourth proportional to 592,035,999.40, 888,053,999.10 and 408,369,989.80 is: 612,554,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,035,999.40 : 888,053,999.10 = 408,369,989.80 : x
  2. Step 2: Convert to fraction form
    592,035,999.40/888,053,999.10 = 408,369,989.80/x
  3. Step 3: Cross multiply
    592,035,999.40x = 888,053,999.10 × 408,369,989.80
  4. Step 4: Simplify right side
    592,035,999.40x = 362,654,602,554,316,224
  5. Step 5: Solve for x
    x = 362,654,602,554,316,224/592,035,999.40
  6. Step 6: Final answer
    x = 612,554,984.70

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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.