Home / 719,084,806.40-1,078,627,209.60-711,918,444.80

Finding the Fourth Proportional to 719,084,806.40, 1,078,627,209.60 and 711,918,444.80

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Solution

The fourth proportional to 719,084,806.40, 1,078,627,209.60 and 711,918,444.80 is: 1,067,877,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,084,806.40 : 1,078,627,209.60 = 711,918,444.80 : x
  2. Step 2: Convert to fraction form
    719,084,806.40/1,078,627,209.60 = 711,918,444.80/x
  3. Step 3: Cross multiply
    719,084,806.40x = 1,078,627,209.60 × 711,918,444.80
  4. Step 4: Simplify right side
    719,084,806.40x = 767,894,605,577,395,456
  5. Step 5: Solve for x
    x = 767,894,605,577,395,456/719,084,806.40
  6. Step 6: Final answer
    x = 1,067,877,667.20

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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.