Home / 450,326,934.18-621,130,802.04-413,276,857.56

Finding the Fourth Proportional to 450,326,934.18, 621,130,802.04 and 413,276,857.56

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Solution

The fourth proportional to 450,326,934.18, 621,130,802.04 and 413,276,857.56 is: 570,028,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,326,934.18 : 621,130,802.04 = 413,276,857.56 : x
  2. Step 2: Convert to fraction form
    450,326,934.18/621,130,802.04 = 413,276,857.56/x
  3. Step 3: Cross multiply
    450,326,934.18x = 621,130,802.04 × 413,276,857.56
  4. Step 4: Simplify right side
    450,326,934.18x = 256,698,986,000,813,632
  5. Step 5: Solve for x
    x = 256,698,986,000,813,632/450,326,934.18
  6. Step 6: Final answer
    x = 570,028,054.10

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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.