Home / 1,248,299,093.42-1,721,999,643.52-771,837,155.48

Finding the Fourth Proportional to 1,248,299,093.42, 1,721,999,643.52 and 771,837,155.48

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Solution

The fourth proportional to 1,248,299,093.42, 1,721,999,643.52 and 771,837,155.48 is: 1,064,731,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,299,093.42 : 1,721,999,643.52 = 771,837,155.48 : x
  2. Step 2: Convert to fraction form
    1,248,299,093.42/1,721,999,643.52 = 771,837,155.48/x
  3. Step 3: Cross multiply
    1,248,299,093.42x = 1,721,999,643.52 × 771,837,155.48
  4. Step 4: Simplify right side
    1,248,299,093.42x = 1,329,103,306,592,050,944
  5. Step 5: Solve for x
    x = 1,329,103,306,592,050,944/1,248,299,093.42
  6. Step 6: Final answer
    x = 1,064,731,452.26

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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.