Home / 1,297,321,818.48-1,946,233,096.02-423,688,321.08

Finding the Fourth Proportional to 1,297,321,818.48, 1,946,233,096.02 and 423,688,321.08

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Solution

The fourth proportional to 1,297,321,818.48, 1,946,233,096.02 and 423,688,321.08 is: 635,614,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,321,818.48 : 1,946,233,096.02 = 423,688,321.08 : x
  2. Step 2: Convert to fraction form
    1,297,321,818.48/1,946,233,096.02 = 423,688,321.08/x
  3. Step 3: Cross multiply
    1,297,321,818.48x = 1,946,233,096.02 × 423,688,321.08
  4. Step 4: Simplify right side
    1,297,321,818.48x = 824,596,232,883,044,224
  5. Step 5: Solve for x
    x = 824,596,232,883,044,224/1,297,321,818.48
  6. Step 6: Final answer
    x = 635,614,248.63

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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.