Home / 476,490,966.30-714,736,449.45-218,210,640.30

Finding the Fourth Proportional to 476,490,966.30, 714,736,449.45 and 218,210,640.30

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Solution

The fourth proportional to 476,490,966.30, 714,736,449.45 and 218,210,640.30 is: 327,315,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,490,966.30 : 714,736,449.45 = 218,210,640.30 : x
  2. Step 2: Convert to fraction form
    476,490,966.30/714,736,449.45 = 218,210,640.30/x
  3. Step 3: Cross multiply
    476,490,966.30x = 714,736,449.45 × 218,210,640.30
  4. Step 4: Simplify right side
    476,490,966.30x = 155,963,098,280,233,088
  5. Step 5: Solve for x
    x = 155,963,098,280,233,088/476,490,966.30
  6. Step 6: Final answer
    x = 327,315,960.45

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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.