Home / 78,841,778,426.04-118,262,669,005.35-19,150,038,468.07

Finding the Fourth Proportional to 78,841,778,426.04, 118,262,669,005.35 and 19,150,038,468.07

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Solution

The fourth proportional to 78,841,778,426.04, 118,262,669,005.35 and 19,150,038,468.07 is: 28,725,058,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841,778,426.04 : 118,262,669,005.35 = 19,150,038,468.07 : x
  2. Step 2: Convert to fraction form
    78,841,778,426.04/118,262,669,005.35 = 19,150,038,468.07/x
  3. Step 3: Cross multiply
    78,841,778,426.04x = 118,262,669,005.35 × 19,150,038,468.07
  4. Step 4: Simplify right side
    78,841,778,426.04x = 2,264,734,660,788,845,805,568
  5. Step 5: Solve for x
    x = 2,264,734,660,788,845,805,568/78,841,778,426.04
  6. Step 6: Final answer
    x = 28,725,058,033.96

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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.