Home / 810,691,595.64-1,118,756,050.50-439,413,878.52

Finding the Fourth Proportional to 810,691,595.64, 1,118,756,050.50 and 439,413,878.52

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Solution

The fourth proportional to 810,691,595.64, 1,118,756,050.50 and 439,413,878.52 is: 606,392,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,691,595.64 : 1,118,756,050.50 = 439,413,878.52 : x
  2. Step 2: Convert to fraction form
    810,691,595.64/1,118,756,050.50 = 439,413,878.52/x
  3. Step 3: Cross multiply
    810,691,595.64x = 1,118,756,050.50 × 439,413,878.52
  4. Step 4: Simplify right side
    810,691,595.64x = 491,596,935,267,921,984
  5. Step 5: Solve for x
    x = 491,596,935,267,921,984/810,691,595.64
  6. Step 6: Final answer
    x = 606,392,045.89

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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.