Home / 524,044,420.48-785,290,282.80-212,773,521.88

Finding the Fourth Proportional to 524,044,420.48, 785,290,282.80 and 212,773,521.88

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Solution

The fourth proportional to 524,044,420.48, 785,290,282.80 and 212,773,521.88 is: 318,845,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,044,420.48 : 785,290,282.80 = 212,773,521.88 : x
  2. Step 2: Convert to fraction form
    524,044,420.48/785,290,282.80 = 212,773,521.88/x
  3. Step 3: Cross multiply
    524,044,420.48x = 785,290,282.80 × 212,773,521.88
  4. Step 4: Simplify right side
    524,044,420.48x = 167,088,979,169,497,184
  5. Step 5: Solve for x
    x = 167,088,979,169,497,184/524,044,420.48
  6. Step 6: Final answer
    x = 318,845,068.55

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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.