Home / 397,574,041.25-548,711,823.86-302,047,354.45

Finding the Fourth Proportional to 397,574,041.25, 548,711,823.86 and 302,047,354.45

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Solution

The fourth proportional to 397,574,041.25, 548,711,823.86 and 302,047,354.45 is: 416,870,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,574,041.25 : 548,711,823.86 = 302,047,354.45 : x
  2. Step 2: Convert to fraction form
    397,574,041.25/548,711,823.86 = 302,047,354.45/x
  3. Step 3: Cross multiply
    397,574,041.25x = 548,711,823.86 × 302,047,354.45
  4. Step 4: Simplify right side
    397,574,041.25x = 165,736,954,750,763,008
  5. Step 5: Solve for x
    x = 165,736,954,750,763,008/397,574,041.25
  6. Step 6: Final answer
    x = 416,870,664.47

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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.