Home / 78,841,779,627.96-118,262,670,812.73-19,150,039,672.92

Finding the Fourth Proportional to 78,841,779,627.96, 118,262,670,812.73 and 19,150,039,672.92

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Solution

The fourth proportional to 78,841,779,627.96, 118,262,670,812.73 and 19,150,039,672.92 is: 28,725,059,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841,779,627.96 : 118,262,670,812.73 = 19,150,039,672.92 : x
  2. Step 2: Convert to fraction form
    78,841,779,627.96/118,262,670,812.73 = 19,150,039,672.92/x
  3. Step 3: Cross multiply
    78,841,779,627.96x = 118,262,670,812.73 × 19,150,039,672.92
  4. Step 4: Simplify right side
    78,841,779,627.96x = 2,264,734,837,889,257,439,232
  5. Step 5: Solve for x
    x = 2,264,734,837,889,257,439,232/78,841,779,627.96
  6. Step 6: Final answer
    x = 28,725,059,842.33

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1.5x scale

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.