Home / 418,878,358.26-628,107,322.95-244,057,888.86

Finding the Fourth Proportional to 418,878,358.26, 628,107,322.95 and 244,057,888.86

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Solution

The fourth proportional to 418,878,358.26, 628,107,322.95 and 244,057,888.86 is: 365,964,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,878,358.26 : 628,107,322.95 = 244,057,888.86 : x
  2. Step 2: Convert to fraction form
    418,878,358.26/628,107,322.95 = 244,057,888.86/x
  3. Step 3: Cross multiply
    418,878,358.26x = 628,107,322.95 × 244,057,888.86
  4. Step 4: Simplify right side
    418,878,358.26x = 153,294,547,216,683,232
  5. Step 5: Solve for x
    x = 153,294,547,216,683,232/418,878,358.26
  6. Step 6: Final answer
    x = 365,964,352.64

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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.