Home / 779,408,609.84-1,075,583,792.08-466,142,773.52

Finding the Fourth Proportional to 779,408,609.84, 1,075,583,792.08 and 466,142,773.52

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Solution

The fourth proportional to 779,408,609.84, 1,075,583,792.08 and 466,142,773.52 is: 643,276,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,408,609.84 : 1,075,583,792.08 = 466,142,773.52 : x
  2. Step 2: Convert to fraction form
    779,408,609.84/1,075,583,792.08 = 466,142,773.52/x
  3. Step 3: Cross multiply
    779,408,609.84x = 1,075,583,792.08 × 466,142,773.52
  4. Step 4: Simplify right side
    779,408,609.84x = 501,375,611,993,330,176
  5. Step 5: Solve for x
    x = 501,375,611,993,330,176/779,408,609.84
  6. Step 6: Final answer
    x = 643,276,973.93

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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.