Home / 779,166,469.63-1,075,283,527.77-431,485,957.63

Finding the Fourth Proportional to 779,166,469.63, 1,075,283,527.77 and 431,485,957.63

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Solution

The fourth proportional to 779,166,469.63, 1,075,283,527.77 and 431,485,957.63 is: 595,469,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,166,469.63 : 1,075,283,527.77 = 431,485,957.63 : x
  2. Step 2: Convert to fraction form
    779,166,469.63/1,075,283,527.77 = 431,485,957.63/x
  3. Step 3: Cross multiply
    779,166,469.63x = 1,075,283,527.77 × 431,485,957.63
  4. Step 4: Simplify right side
    779,166,469.63x = 463,969,742,696,069,376
  5. Step 5: Solve for x
    x = 463,969,742,696,069,376/779,166,469.63
  6. Step 6: Final answer
    x = 595,469,339.07

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Double scale
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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.