Home / 1,248,299,094.42-1,721,999,644.90-771,837,156.48

Finding the Fourth Proportional to 1,248,299,094.42, 1,721,999,644.90 and 771,837,156.48

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Solution

The fourth proportional to 1,248,299,094.42, 1,721,999,644.90 and 771,837,156.48 is: 1,064,731,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,299,094.42 : 1,721,999,644.90 = 771,837,156.48 : x
  2. Step 2: Convert to fraction form
    1,248,299,094.42/1,721,999,644.90 = 771,837,156.48/x
  3. Step 3: Cross multiply
    1,248,299,094.42x = 1,721,999,644.90 × 771,837,156.48
  4. Step 4: Simplify right side
    1,248,299,094.42x = 1,329,103,309,379,185,920
  5. Step 5: Solve for x
    x = 1,329,103,309,379,185,920/1,248,299,094.42
  6. Step 6: Final answer
    x = 1,064,731,453.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.