Home / 399,997,842,528.53-551,997,569,313.80-217,094,946,987.02

Finding the Fourth Proportional to 399,997,842,528.53, 551,997,569,313.80 and 217,094,946,987.02

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Solution

The fourth proportional to 399,997,842,528.53, 551,997,569,313.80 and 217,094,946,987.02 is: 299,591,323,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,997,842,528.53 : 551,997,569,313.80 = 217,094,946,987.02 : x
  2. Step 2: Convert to fraction form
    399,997,842,528.53/551,997,569,313.80 = 217,094,946,987.02/x
  3. Step 3: Cross multiply
    399,997,842,528.53x = 551,997,569,313.80 × 217,094,946,987.02
  4. Step 4: Simplify right side
    399,997,842,528.53x = 119,835,883,047,143,319,011,328
  5. Step 5: Solve for x
    x = 119,835,883,047,143,319,011,328/399,997,842,528.53
  6. Step 6: Final answer
    x = 299,591,323,517.19

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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.