Home / 1,818,558,966.30-2,727,838,449.45-785,437,662.30

Finding the Fourth Proportional to 1,818,558,966.30, 2,727,838,449.45 and 785,437,662.30

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Solution

The fourth proportional to 1,818,558,966.30, 2,727,838,449.45 and 785,437,662.30 is: 1,178,156,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,558,966.30 : 2,727,838,449.45 = 785,437,662.30 : x
  2. Step 2: Convert to fraction form
    1,818,558,966.30/2,727,838,449.45 = 785,437,662.30/x
  3. Step 3: Cross multiply
    1,818,558,966.30x = 2,727,838,449.45 × 785,437,662.30
  4. Step 4: Simplify right side
    1,818,558,966.30x = 2,142,547,054,868,064,512
  5. Step 5: Solve for x
    x = 2,142,547,054,868,064,512/1,818,558,966.30
  6. Step 6: Final answer
    x = 1,178,156,493.45

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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.