Home / 907,005,791.52-1,251,588,146.58-505,089,176.40

Finding the Fourth Proportional to 907,005,791.52, 1,251,588,146.58 and 505,089,176.40

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Solution

The fourth proportional to 907,005,791.52, 1,251,588,146.58 and 505,089,176.40 is: 696,978,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,005,791.52 : 1,251,588,146.58 = 505,089,176.40 : x
  2. Step 2: Convert to fraction form
    907,005,791.52/1,251,588,146.58 = 505,089,176.40/x
  3. Step 3: Cross multiply
    907,005,791.52x = 1,251,588,146.58 × 505,089,176.40
  4. Step 4: Simplify right side
    907,005,791.52x = 632,163,626,148,094,592
  5. Step 5: Solve for x
    x = 632,163,626,148,094,592/907,005,791.52
  6. Step 6: Final answer
    x = 696,978,599.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.