Home / 459,186,315.36-633,287,266.02-388,007,907.18

Finding the Fourth Proportional to 459,186,315.36, 633,287,266.02 and 388,007,907.18

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Solution

The fourth proportional to 459,186,315.36, 633,287,266.02 and 388,007,907.18 is: 535,121,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,186,315.36 : 633,287,266.02 = 388,007,907.18 : x
  2. Step 2: Convert to fraction form
    459,186,315.36/633,287,266.02 = 388,007,907.18/x
  3. Step 3: Cross multiply
    459,186,315.36x = 633,287,266.02 × 388,007,907.18
  4. Step 4: Simplify right side
    459,186,315.36x = 245,720,466,732,164,128
  5. Step 5: Solve for x
    x = 245,720,466,732,164,128/459,186,315.36
  6. Step 6: Final answer
    x = 535,121,493.20

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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.