Home / 470,070,927-648,014,191.55-328,502,617.09

Finding the Fourth Proportional to 470,070,927, 648,014,191.55 and 328,502,617.09

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Solution

The fourth proportional to 470,070,927, 648,014,191.55 and 328,502,617.09 is: 452,855,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,070,927 : 648,014,191.55 = 328,502,617.09 : x
  2. Step 2: Convert to fraction form
    470,070,927/648,014,191.55 = 328,502,617.09/x
  3. Step 3: Cross multiply
    470,070,927x = 648,014,191.55 × 328,502,617.09
  4. Step 4: Simplify right side
    470,070,927x = 212,874,357,835,635,520
  5. Step 5: Solve for x
    x = 212,874,357,835,635,520/470,070,927
  6. Step 6: Final answer
    x = 452,855,825.81

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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.