Home / 572,590,836.54-790,185,801.83-318,296,071.98

Finding the Fourth Proportional to 572,590,836.54, 790,185,801.83 and 318,296,071.98

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Solution

The fourth proportional to 572,590,836.54, 790,185,801.83 and 318,296,071.98 is: 439,254,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,590,836.54 : 790,185,801.83 = 318,296,071.98 : x
  2. Step 2: Convert to fraction form
    572,590,836.54/790,185,801.83 = 318,296,071.98/x
  3. Step 3: Cross multiply
    572,590,836.54x = 790,185,801.83 × 318,296,071.98
  4. Step 4: Simplify right side
    572,590,836.54x = 251,513,036,855,264,256
  5. Step 5: Solve for x
    x = 251,513,036,855,264,256/572,590,836.54
  6. Step 6: Final answer
    x = 439,254,386.91

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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.