Home / 475,995,315.02-710,787,612.66-388,729,946.42

Finding the Fourth Proportional to 475,995,315.02, 710,787,612.66 and 388,729,946.42

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Solution

The fourth proportional to 475,995,315.02, 710,787,612.66 and 388,729,946.42 is: 580,477,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,995,315.02 : 710,787,612.66 = 388,729,946.42 : x
  2. Step 2: Convert to fraction form
    475,995,315.02/710,787,612.66 = 388,729,946.42/x
  3. Step 3: Cross multiply
    475,995,315.02x = 710,787,612.66 × 388,729,946.42
  4. Step 4: Simplify right side
    475,995,315.02x = 276,304,430,585,321,504
  5. Step 5: Solve for x
    x = 276,304,430,585,321,504/475,995,315.02
  6. Step 6: Final answer
    x = 580,477,206.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.