Home / 749,361,774.40-1,124,042,661.60-476,928,059.20

Finding the Fourth Proportional to 749,361,774.40, 1,124,042,661.60 and 476,928,059.20

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Solution

The fourth proportional to 749,361,774.40, 1,124,042,661.60 and 476,928,059.20 is: 715,392,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,361,774.40 : 1,124,042,661.60 = 476,928,059.20 : x
  2. Step 2: Convert to fraction form
    749,361,774.40/1,124,042,661.60 = 476,928,059.20/x
  3. Step 3: Cross multiply
    749,361,774.40x = 1,124,042,661.60 × 476,928,059.20
  4. Step 4: Simplify right side
    749,361,774.40x = 536,087,485,054,890,304
  5. Step 5: Solve for x
    x = 536,087,485,054,890,304/749,361,774.40
  6. Step 6: Final answer
    x = 715,392,088.80

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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.