Home / 916,270,716.12-1,264,442,959.44-498,575,804.82

Finding the Fourth Proportional to 916,270,716.12, 1,264,442,959.44 and 498,575,804.82

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Solution

The fourth proportional to 916,270,716.12, 1,264,442,959.44 and 498,575,804.82 is: 688,028,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,270,716.12 : 1,264,442,959.44 = 498,575,804.82 : x
  2. Step 2: Convert to fraction form
    916,270,716.12/1,264,442,959.44 = 498,575,804.82/x
  3. Step 3: Cross multiply
    916,270,716.12x = 1,264,442,959.44 × 498,575,804.82
  4. Step 4: Simplify right side
    916,270,716.12x = 630,420,666,151,780,608
  5. Step 5: Solve for x
    x = 630,420,666,151,780,608/916,270,716.12
  6. Step 6: Final answer
    x = 688,028,827.14

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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.