Home / 21,123,073,602.80-31,684,610,404.20-6,401,827,228.40

Finding the Fourth Proportional to 21,123,073,602.80, 31,684,610,404.20 and 6,401,827,228.40

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Solution

The fourth proportional to 21,123,073,602.80, 31,684,610,404.20 and 6,401,827,228.40 is: 9,602,740,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,123,073,602.80 : 31,684,610,404.20 = 6,401,827,228.40 : x
  2. Step 2: Convert to fraction form
    21,123,073,602.80/31,684,610,404.20 = 6,401,827,228.40/x
  3. Step 3: Cross multiply
    21,123,073,602.80x = 31,684,610,404.20 × 6,401,827,228.40
  4. Step 4: Simplify right side
    21,123,073,602.80x = 202,839,401,606,853,492,736
  5. Step 5: Solve for x
    x = 202,839,401,606,853,492,736/21,123,073,602.80
  6. Step 6: Final answer
    x = 9,602,740,842.60

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1.5x scale

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.