Home / 1,283,312,748.48-1,921,653,886.11-885,698,229.72

Finding the Fourth Proportional to 1,283,312,748.48, 1,921,653,886.11 and 885,698,229.72

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Solution

The fourth proportional to 1,283,312,748.48, 1,921,653,886.11 and 885,698,229.72 is: 1,326,259,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,312,748.48 : 1,921,653,886.11 = 885,698,229.72 : x
  2. Step 2: Convert to fraction form
    1,283,312,748.48/1,921,653,886.11 = 885,698,229.72/x
  3. Step 3: Cross multiply
    1,283,312,748.48x = 1,921,653,886.11 × 885,698,229.72
  4. Step 4: Simplify right side
    1,283,312,748.48x = 1,702,005,445,062,185,472
  5. Step 5: Solve for x
    x = 1,702,005,445,062,185,472/1,283,312,748.48
  6. Step 6: Final answer
    x = 1,326,259,282.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.