Home / 722,701,746.72-1,084,076,187.76-344,031,828.64

Finding the Fourth Proportional to 722,701,746.72, 1,084,076,187.76 and 344,031,828.64

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Solution

The fourth proportional to 722,701,746.72, 1,084,076,187.76 and 344,031,828.64 is: 516,058,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,701,746.72 : 1,084,076,187.76 = 344,031,828.64 : x
  2. Step 2: Convert to fraction form
    722,701,746.72/1,084,076,187.76 = 344,031,828.64/x
  3. Step 3: Cross multiply
    722,701,746.72x = 1,084,076,187.76 × 344,031,828.64
  4. Step 4: Simplify right side
    722,701,746.72x = 372,956,713,260,152,768
  5. Step 5: Solve for x
    x = 372,956,713,260,152,768/722,701,746.72
  6. Step 6: Final answer
    x = 516,058,962.02

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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.