Home / 827,506,982.40-1,241,563,146.48-385,060,677.36

Finding the Fourth Proportional to 827,506,982.40, 1,241,563,146.48 and 385,060,677.36

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Solution

The fourth proportional to 827,506,982.40, 1,241,563,146.48 and 385,060,677.36 is: 577,731,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,506,982.40 : 1,241,563,146.48 = 385,060,677.36 : x
  2. Step 2: Convert to fraction form
    827,506,982.40/1,241,563,146.48 = 385,060,677.36/x
  3. Step 3: Cross multiply
    827,506,982.40x = 1,241,563,146.48 × 385,060,677.36
  4. Step 4: Simplify right side
    827,506,982.40x = 478,077,146,168,801,728
  5. Step 5: Solve for x
    x = 478,077,146,168,801,728/827,506,982.40
  6. Step 6: Final answer
    x = 577,731,857.66

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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.