Home / 1,377,766,859.76-2,066,075,666.47-432,121,307.17

Finding the Fourth Proportional to 1,377,766,859.76, 2,066,075,666.47 and 432,121,307.17

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Solution

The fourth proportional to 1,377,766,859.76, 2,066,075,666.47 and 432,121,307.17 is: 648,001,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,766,859.76 : 2,066,075,666.47 = 432,121,307.17 : x
  2. Step 2: Convert to fraction form
    1,377,766,859.76/2,066,075,666.47 = 432,121,307.17/x
  3. Step 3: Cross multiply
    1,377,766,859.76x = 2,066,075,666.47 × 432,121,307.17
  4. Step 4: Simplify right side
    1,377,766,859.76x = 892,795,317,707,145,344
  5. Step 5: Solve for x
    x = 892,795,317,707,145,344/1,377,766,859.76
  6. Step 6: Final answer
    x = 648,001,736.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.