Home / 769,559,420.67-1,061,963,549.32-417,127,844.58

Finding the Fourth Proportional to 769,559,420.67, 1,061,963,549.32 and 417,127,844.58

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Solution

The fourth proportional to 769,559,420.67, 1,061,963,549.32 and 417,127,844.58 is: 575,621,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,420.67 : 1,061,963,549.32 = 417,127,844.58 : x
  2. Step 2: Convert to fraction form
    769,559,420.67/1,061,963,549.32 = 417,127,844.58/x
  3. Step 3: Cross multiply
    769,559,420.67x = 1,061,963,549.32 × 417,127,844.58
  4. Step 4: Simplify right side
    769,559,420.67x = 442,974,566,350,378,112
  5. Step 5: Solve for x
    x = 442,974,566,350,378,112/769,559,420.67
  6. Step 6: Final answer
    x = 575,621,003.98

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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.