Home / 481,539,127.90-664,564,980.45-272,732,416.06

Finding the Fourth Proportional to 481,539,127.90, 664,564,980.45 and 272,732,416.06

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Solution

The fourth proportional to 481,539,127.90, 664,564,980.45 and 272,732,416.06 is: 376,393,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,539,127.90 : 664,564,980.45 = 272,732,416.06 : x
  2. Step 2: Convert to fraction form
    481,539,127.90/664,564,980.45 = 272,732,416.06/x
  3. Step 3: Cross multiply
    481,539,127.90x = 664,564,980.45 × 272,732,416.06
  4. Step 4: Simplify right side
    481,539,127.90x = 181,248,412,746,995,168
  5. Step 5: Solve for x
    x = 181,248,412,746,995,168/481,539,127.90
  6. Step 6: Final answer
    x = 376,393,946.51

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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.