Home / 523,890,271.01-785,835,407.21-212,925,030.97

Finding the Fourth Proportional to 523,890,271.01, 785,835,407.21 and 212,925,030.97

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Solution

The fourth proportional to 523,890,271.01, 785,835,407.21 and 212,925,030.97 is: 319,387,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,890,271.01 : 785,835,407.21 = 212,925,030.97 : x
  2. Step 2: Convert to fraction form
    523,890,271.01/785,835,407.21 = 212,925,030.97/x
  3. Step 3: Cross multiply
    523,890,271.01x = 785,835,407.21 × 212,925,030.97
  4. Step 4: Simplify right side
    523,890,271.01x = 167,324,028,417,511,808
  5. Step 5: Solve for x
    x = 167,324,028,417,511,808/523,890,271.01
  6. Step 6: Final answer
    x = 319,387,546.74

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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.