Home / 746,911,862.40-1,119,611,966.40-440,046,019.20

Finding the Fourth Proportional to 746,911,862.40, 1,119,611,966.40 and 440,046,019.20

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Solution

The fourth proportional to 746,911,862.40, 1,119,611,966.40 and 440,046,019.20 is: 659,623,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,911,862.40 : 1,119,611,966.40 = 440,046,019.20 : x
  2. Step 2: Convert to fraction form
    746,911,862.40/1,119,611,966.40 = 440,046,019.20/x
  3. Step 3: Cross multiply
    746,911,862.40x = 1,119,611,966.40 × 440,046,019.20
  4. Step 4: Simplify right side
    746,911,862.40x = 492,680,788,863,004,160
  5. Step 5: Solve for x
    x = 492,680,788,863,004,160/746,911,862.40
  6. Step 6: Final answer
    x = 659,623,730.28

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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.