Home / 919,828,848.99-1,269,368,968.80-523,351,830.33

Finding the Fourth Proportional to 919,828,848.99, 1,269,368,968.80 and 523,351,830.33

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Solution

The fourth proportional to 919,828,848.99, 1,269,368,968.80 and 523,351,830.33 is: 722,228,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,828,848.99 : 1,269,368,968.80 = 523,351,830.33 : x
  2. Step 2: Convert to fraction form
    919,828,848.99/1,269,368,968.80 = 523,351,830.33/x
  3. Step 3: Cross multiply
    919,828,848.99x = 1,269,368,968.80 × 523,351,830.33
  4. Step 4: Simplify right side
    919,828,848.99x = 664,326,573,188,889,856
  5. Step 5: Solve for x
    x = 664,326,573,188,889,856/919,828,848.99
  6. Step 6: Final answer
    x = 722,228,460.13

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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.