Home / 779,408,275.55-1,075,583,331.02-466,142,439.29

Finding the Fourth Proportional to 779,408,275.55, 1,075,583,331.02 and 466,142,439.29

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Solution

The fourth proportional to 779,408,275.55, 1,075,583,331.02 and 466,142,439.29 is: 643,276,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,408,275.55 : 1,075,583,331.02 = 466,142,439.29 : x
  2. Step 2: Convert to fraction form
    779,408,275.55/1,075,583,331.02 = 466,142,439.29/x
  3. Step 3: Cross multiply
    779,408,275.55x = 1,075,583,331.02 × 466,142,439.29
  4. Step 4: Simplify right side
    779,408,275.55x = 501,375,037,577,113,792
  5. Step 5: Solve for x
    x = 501,375,037,577,113,792/779,408,275.55
  6. Step 6: Final answer
    x = 643,276,512.85

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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.