Home / 545,836,123.65-818,462,878.94-283,256,287.78

Finding the Fourth Proportional to 545,836,123.65, 818,462,878.94 and 283,256,287.78

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Solution

The fourth proportional to 545,836,123.65, 818,462,878.94 and 283,256,287.78 is: 424,733,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,836,123.65 : 818,462,878.94 = 283,256,287.78 : x
  2. Step 2: Convert to fraction form
    545,836,123.65/818,462,878.94 = 283,256,287.78/x
  3. Step 3: Cross multiply
    545,836,123.65x = 818,462,878.94 × 283,256,287.78
  4. Step 4: Simplify right side
    545,836,123.65x = 231,834,756,772,937,888
  5. Step 5: Solve for x
    x = 231,834,756,772,937,888/545,836,123.65
  6. Step 6: Final answer
    x = 424,733,261.01

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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.