Home / 985,185,613.54-1,359,555,259.35-556,113,236.95

Finding the Fourth Proportional to 985,185,613.54, 1,359,555,259.35 and 556,113,236.95

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Solution

The fourth proportional to 985,185,613.54, 1,359,555,259.35 and 556,113,236.95 is: 767,435,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,185,613.54 : 1,359,555,259.35 = 556,113,236.95 : x
  2. Step 2: Convert to fraction form
    985,185,613.54/1,359,555,259.35 = 556,113,236.95/x
  3. Step 3: Cross multiply
    985,185,613.54x = 1,359,555,259.35 × 556,113,236.95
  4. Step 4: Simplify right side
    985,185,613.54x = 756,066,676,090,167,936
  5. Step 5: Solve for x
    x = 756,066,676,090,167,936/985,185,613.54
  6. Step 6: Final answer
    x = 767,435,766.12

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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.