Home / 908,585,803.98-1,253,845,931.21-506,699,989.18

Finding the Fourth Proportional to 908,585,803.98, 1,253,845,931.21 and 506,699,989.18

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Solution

The fourth proportional to 908,585,803.98, 1,253,845,931.21 and 506,699,989.18 is: 699,244,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,585,803.98 : 1,253,845,931.21 = 506,699,989.18 : x
  2. Step 2: Convert to fraction form
    908,585,803.98/1,253,845,931.21 = 506,699,989.18/x
  3. Step 3: Cross multiply
    908,585,803.98x = 1,253,845,931.21 × 506,699,989.18
  4. Step 4: Simplify right side
    908,585,803.98x = 635,323,719,777,494,016
  5. Step 5: Solve for x
    x = 635,323,719,777,494,016/908,585,803.98
  6. Step 6: Final answer
    x = 699,244,602.98

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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.