Home / 438,354,376.48-604,921,625.52-242,779,889.44

Finding the Fourth Proportional to 438,354,376.48, 604,921,625.52 and 242,779,889.44

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Solution

The fourth proportional to 438,354,376.48, 604,921,625.52 and 242,779,889.44 is: 335,032,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,354,376.48 : 604,921,625.52 = 242,779,889.44 : x
  2. Step 2: Convert to fraction form
    438,354,376.48/604,921,625.52 = 242,779,889.44/x
  3. Step 3: Cross multiply
    438,354,376.48x = 604,921,625.52 × 242,779,889.44
  4. Step 4: Simplify right side
    438,354,376.48x = 146,862,805,363,610,688
  5. Step 5: Solve for x
    x = 146,862,805,363,610,688/438,354,376.48
  6. Step 6: Final answer
    x = 335,032,141.22

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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.