Home / 769,333,140.48-1,151,241,271.68-666,057,578.88

Finding the Fourth Proportional to 769,333,140.48, 1,151,241,271.68 and 666,057,578.88

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Solution

The fourth proportional to 769,333,140.48, 1,151,241,271.68 and 666,057,578.88 is: 996,698,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,333,140.48 : 1,151,241,271.68 = 666,057,578.88 : x
  2. Step 2: Convert to fraction form
    769,333,140.48/1,151,241,271.68 = 666,057,578.88/x
  3. Step 3: Cross multiply
    769,333,140.48x = 1,151,241,271.68 × 666,057,578.88
  4. Step 4: Simplify right side
    769,333,140.48x = 766,792,974,121,913,088
  5. Step 5: Solve for x
    x = 766,792,974,121,913,088/769,333,140.48
  6. Step 6: Final answer
    x = 996,698,223.14

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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.