Home / 424,567,111.68-636,826,713.48-188,148,543.12

Finding the Fourth Proportional to 424,567,111.68, 636,826,713.48 and 188,148,543.12

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Solution

The fourth proportional to 424,567,111.68, 636,826,713.48 and 188,148,543.12 is: 282,212,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,567,111.68 : 636,826,713.48 = 188,148,543.12 : x
  2. Step 2: Convert to fraction form
    424,567,111.68/636,826,713.48 = 188,148,543.12/x
  3. Step 3: Cross multiply
    424,567,111.68x = 636,826,713.48 × 188,148,543.12
  4. Step 4: Simplify right side
    424,567,111.68x = 119,818,018,361,159,664
  5. Step 5: Solve for x
    x = 119,818,018,361,159,664/424,567,111.68
  6. Step 6: Final answer
    x = 282,212,199.36

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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.