Home / 1,145,960,754.12-1,718,938,983.05-359,074,647.63

Finding the Fourth Proportional to 1,145,960,754.12, 1,718,938,983.05 and 359,074,647.63

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Solution

The fourth proportional to 1,145,960,754.12, 1,718,938,983.05 and 359,074,647.63 is: 538,611,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,960,754.12 : 1,718,938,983.05 = 359,074,647.63 : x
  2. Step 2: Convert to fraction form
    1,145,960,754.12/1,718,938,983.05 = 359,074,647.63/x
  3. Step 3: Cross multiply
    1,145,960,754.12x = 1,718,938,983.05 × 359,074,647.63
  4. Step 4: Simplify right side
    1,145,960,754.12x = 617,227,409,634,353,920
  5. Step 5: Solve for x
    x = 617,227,409,634,353,920/1,145,960,754.12
  6. Step 6: Final answer
    x = 538,611,298.35

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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.