Home / 907,019,390.40-1,272,245,793.60-907,019,390.40

Finding the Fourth Proportional to 907,019,390.40, 1,272,245,793.60 and 907,019,390.40

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Solution

The fourth proportional to 907,019,390.40, 1,272,245,793.60 and 907,019,390.40 is: 1,272,245,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,019,390.40 : 1,272,245,793.60 = 907,019,390.40 : x
  2. Step 2: Convert to fraction form
    907,019,390.40/1,272,245,793.60 = 907,019,390.40/x
  3. Step 3: Cross multiply
    907,019,390.40x = 1,272,245,793.60 × 907,019,390.40
  4. Step 4: Simplify right side
    907,019,390.40x = 1,153,951,604,150,036,224
  5. Step 5: Solve for x
    x = 1,153,951,604,150,036,224/907,019,390.40
  6. Step 6: Final answer
    x = 1,272,245,793.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.