Home / 78,841,778,560.71-118,262,669,207.03-19,150,038,602.90

Finding the Fourth Proportional to 78,841,778,560.71, 118,262,669,207.03 and 19,150,038,602.90

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Solution

The fourth proportional to 78,841,778,560.71, 118,262,669,207.03 and 19,150,038,602.90 is: 28,725,058,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841,778,560.71 : 118,262,669,207.03 = 19,150,038,602.90 : x
  2. Step 2: Convert to fraction form
    78,841,778,560.71/118,262,669,207.03 = 19,150,038,602.90/x
  3. Step 3: Cross multiply
    78,841,778,560.71x = 118,262,669,207.03 × 19,150,038,602.90
  4. Step 4: Simplify right side
    78,841,778,560.71x = 2,264,734,680,596,026,228,736
  5. Step 5: Solve for x
    x = 2,264,734,680,596,026,228,736/78,841,778,560.71
  6. Step 6: Final answer
    x = 28,725,058,236.12

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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.