Home / 717,750,111.62-1,076,816,560.08-257,692,266.74

Finding the Fourth Proportional to 717,750,111.62, 1,076,816,560.08 and 257,692,266.74

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Solution

The fourth proportional to 717,750,111.62, 1,076,816,560.08 and 257,692,266.74 is: 386,607,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,750,111.62 : 1,076,816,560.08 = 257,692,266.74 : x
  2. Step 2: Convert to fraction form
    717,750,111.62/1,076,816,560.08 = 257,692,266.74/x
  3. Step 3: Cross multiply
    717,750,111.62x = 1,076,816,560.08 × 257,692,266.74
  4. Step 4: Simplify right side
    717,750,111.62x = 277,487,300,230,184,576
  5. Step 5: Solve for x
    x = 277,487,300,230,184,576/717,750,111.62
  6. Step 6: Final answer
    x = 386,607,115.40

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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.