Home / 501,688,318.88-692,329,880.06-281,676,468.80

Finding the Fourth Proportional to 501,688,318.88, 692,329,880.06 and 281,676,468.80

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Solution

The fourth proportional to 501,688,318.88, 692,329,880.06 and 281,676,468.80 is: 388,713,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,688,318.88 : 692,329,880.06 = 281,676,468.80 : x
  2. Step 2: Convert to fraction form
    501,688,318.88/692,329,880.06 = 281,676,468.80/x
  3. Step 3: Cross multiply
    501,688,318.88x = 692,329,880.06 × 281,676,468.80
  4. Step 4: Simplify right side
    501,688,318.88x = 195,013,035,855,158,304
  5. Step 5: Solve for x
    x = 195,013,035,855,158,304/501,688,318.88
  6. Step 6: Final answer
    x = 388,713,526.94

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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.