Home / 779,769,704.64-1,075,963,176.50-440,554,408.28

Finding the Fourth Proportional to 779,769,704.64, 1,075,963,176.50 and 440,554,408.28

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Solution

The fourth proportional to 779,769,704.64, 1,075,963,176.50 and 440,554,408.28 is: 607,897,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,769,704.64 : 1,075,963,176.50 = 440,554,408.28 : x
  2. Step 2: Convert to fraction form
    779,769,704.64/1,075,963,176.50 = 440,554,408.28/x
  3. Step 3: Cross multiply
    779,769,704.64x = 1,075,963,176.50 × 440,554,408.28
  4. Step 4: Simplify right side
    779,769,704.64x = 474,020,320,546,444,032
  5. Step 5: Solve for x
    x = 474,020,320,546,444,032/779,769,704.64
  6. Step 6: Final answer
    x = 607,897,841.79

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1.5x scale

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.