Home / 713,366,947.20-1,070,050,420.80-325,946,458.20

Finding the Fourth Proportional to 713,366,947.20, 1,070,050,420.80 and 325,946,458.20

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Solution

The fourth proportional to 713,366,947.20, 1,070,050,420.80 and 325,946,458.20 is: 488,919,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,366,947.20 : 1,070,050,420.80 = 325,946,458.20 : x
  2. Step 2: Convert to fraction form
    713,366,947.20/1,070,050,420.80 = 325,946,458.20/x
  3. Step 3: Cross multiply
    713,366,947.20x = 1,070,050,420.80 × 325,946,458.20
  4. Step 4: Simplify right side
    713,366,947.20x = 348,779,144,755,179,584
  5. Step 5: Solve for x
    x = 348,779,144,755,179,584/713,366,947.20
  6. Step 6: Final answer
    x = 488,919,687.30

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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.