Home / 912,969,970.84-1,368,602,987.18-360,276,976.04

Finding the Fourth Proportional to 912,969,970.84, 1,368,602,987.18 and 360,276,976.04

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Solution

The fourth proportional to 912,969,970.84, 1,368,602,987.18 and 360,276,976.04 is: 540,079,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,969,970.84 : 1,368,602,987.18 = 360,276,976.04 : x
  2. Step 2: Convert to fraction form
    912,969,970.84/1,368,602,987.18 = 360,276,976.04/x
  3. Step 3: Cross multiply
    912,969,970.84x = 1,368,602,987.18 × 360,276,976.04
  4. Step 4: Simplify right side
    912,969,970.84x = 493,076,145,620,521,344
  5. Step 5: Solve for x
    x = 493,076,145,620,521,344/912,969,970.84
  6. Step 6: Final answer
    x = 540,079,259.31

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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.