Home / 780,282,266.72-1,169,604,088.20-262,532,959.28

Finding the Fourth Proportional to 780,282,266.72, 1,169,604,088.20 and 262,532,959.28

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Solution

The fourth proportional to 780,282,266.72, 1,169,604,088.20 and 262,532,959.28 is: 393,523,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,282,266.72 : 1,169,604,088.20 = 262,532,959.28 : x
  2. Step 2: Convert to fraction form
    780,282,266.72/1,169,604,088.20 = 262,532,959.28/x
  3. Step 3: Cross multiply
    780,282,266.72x = 1,169,604,088.20 × 262,532,959.28
  4. Step 4: Simplify right side
    780,282,266.72x = 307,059,622,461,132,160
  5. Step 5: Solve for x
    x = 307,059,622,461,132,160/780,282,266.72
  6. Step 6: Final answer
    x = 393,523,774.10

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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.