Home / 845,280,123.87-1,267,929,947.52-255,075,477.15

Finding the Fourth Proportional to 845,280,123.87, 1,267,929,947.52 and 255,075,477.15

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Solution

The fourth proportional to 845,280,123.87, 1,267,929,947.52 and 255,075,477.15 is: 382,616,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,280,123.87 : 1,267,929,947.52 = 255,075,477.15 : x
  2. Step 2: Convert to fraction form
    845,280,123.87/1,267,929,947.52 = 255,075,477.15/x
  3. Step 3: Cross multiply
    845,280,123.87x = 1,267,929,947.52 × 255,075,477.15
  4. Step 4: Simplify right side
    845,280,123.87x = 323,417,836,356,438,464
  5. Step 5: Solve for x
    x = 323,417,836,356,438,464/845,280,123.87
  6. Step 6: Final answer
    x = 382,616,161.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.