Home / 717,905,021.60-1,076,007,226.80-535,939,623.20

Finding the Fourth Proportional to 717,905,021.60, 1,076,007,226.80 and 535,939,623.20

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Solution

The fourth proportional to 717,905,021.60, 1,076,007,226.80 and 535,939,623.20 is: 803,274,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,905,021.60 : 1,076,007,226.80 = 535,939,623.20 : x
  2. Step 2: Convert to fraction form
    717,905,021.60/1,076,007,226.80 = 535,939,623.20/x
  3. Step 3: Cross multiply
    717,905,021.60x = 1,076,007,226.80 × 535,939,623.20
  4. Step 4: Simplify right side
    717,905,021.60x = 576,674,907,691,668,864
  5. Step 5: Solve for x
    x = 576,674,907,691,668,864/717,905,021.60
  6. Step 6: Final answer
    x = 803,274,653.81

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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.