Home / 6,457,538,967.52-8,911,403,702.79-3,487,315,218.52

Finding the Fourth Proportional to 6,457,538,967.52, 8,911,403,702.79 and 3,487,315,218.52

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Solution

The fourth proportional to 6,457,538,967.52, 8,911,403,702.79 and 3,487,315,218.52 is: 4,812,494,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,538,967.52 : 8,911,403,702.79 = 3,487,315,218.52 : x
  2. Step 2: Convert to fraction form
    6,457,538,967.52/8,911,403,702.79 = 3,487,315,218.52/x
  3. Step 3: Cross multiply
    6,457,538,967.52x = 8,911,403,702.79 × 3,487,315,218.52
  4. Step 4: Simplify right side
    6,457,538,967.52x = 31,076,873,751,125,745,664
  5. Step 5: Solve for x
    x = 31,076,873,751,125,745,664/6,457,538,967.52
  6. Step 6: Final answer
    x = 4,812,494,962.47

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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.