Home / 713,012,005.80-1,069,518,008.70-325,591,516.80

Finding the Fourth Proportional to 713,012,005.80, 1,069,518,008.70 and 325,591,516.80

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Solution

The fourth proportional to 713,012,005.80, 1,069,518,008.70 and 325,591,516.80 is: 488,387,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,012,005.80 : 1,069,518,008.70 = 325,591,516.80 : x
  2. Step 2: Convert to fraction form
    713,012,005.80/1,069,518,008.70 = 325,591,516.80/x
  3. Step 3: Cross multiply
    713,012,005.80x = 1,069,518,008.70 × 325,591,516.80
  4. Step 4: Simplify right side
    713,012,005.80x = 348,225,990,697,548,608
  5. Step 5: Solve for x
    x = 348,225,990,697,548,608/713,012,005.80
  6. Step 6: Final answer
    x = 488,387,275.20

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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.