Home / 779,408,283.42-1,075,583,341.89-466,142,447.16

Finding the Fourth Proportional to 779,408,283.42, 1,075,583,341.89 and 466,142,447.16

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Solution

The fourth proportional to 779,408,283.42, 1,075,583,341.89 and 466,142,447.16 is: 643,276,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,408,283.42 : 1,075,583,341.89 = 466,142,447.16 : x
  2. Step 2: Convert to fraction form
    779,408,283.42/1,075,583,341.89 = 466,142,447.16/x
  3. Step 3: Cross multiply
    779,408,283.42x = 1,075,583,341.89 × 466,142,447.16
  4. Step 4: Simplify right side
    779,408,283.42x = 501,375,051,113,135,616
  5. Step 5: Solve for x
    x = 501,375,051,113,135,616/779,408,283.42
  6. Step 6: Final answer
    x = 643,276,523.72

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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.