Home / 845,280,124.87-1,267,929,949.02-255,075,478.15

Finding the Fourth Proportional to 845,280,124.87, 1,267,929,949.02 and 255,075,478.15

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Solution

The fourth proportional to 845,280,124.87, 1,267,929,949.02 and 255,075,478.15 is: 382,616,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,280,124.87 : 1,267,929,949.02 = 255,075,478.15 : x
  2. Step 2: Convert to fraction form
    845,280,124.87/1,267,929,949.02 = 255,075,478.15/x
  3. Step 3: Cross multiply
    845,280,124.87x = 1,267,929,949.02 × 255,075,478.15
  4. Step 4: Simplify right side
    845,280,124.87x = 323,417,838,006,981,632
  5. Step 5: Solve for x
    x = 323,417,838,006,981,632/845,280,124.87
  6. Step 6: Final answer
    x = 382,616,162.96

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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.