Home / 302,634,870-417,636,587.16-172,254,678

Finding the Fourth Proportional to 302,634,870, 417,636,587.16 and 172,254,678

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Solution

The fourth proportional to 302,634,870, 417,636,587.16 and 172,254,678 is: 237,711,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,634,870 : 417,636,587.16 = 172,254,678 : x
  2. Step 2: Convert to fraction form
    302,634,870/417,636,587.16 = 172,254,678/x
  3. Step 3: Cross multiply
    302,634,870x = 417,636,587.16 × 172,254,678
  4. Step 4: Simplify right side
    302,634,870x = 71,939,855,842,264,736
  5. Step 5: Solve for x
    x = 71,939,855,842,264,736/302,634,870
  6. Step 6: Final answer
    x = 237,711,721.20

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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.