Home / 713,389,347.20-1,070,084,020.80-604,550,230.40

Finding the Fourth Proportional to 713,389,347.20, 1,070,084,020.80 and 604,550,230.40

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Solution

The fourth proportional to 713,389,347.20, 1,070,084,020.80 and 604,550,230.40 is: 906,825,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,389,347.20 : 1,070,084,020.80 = 604,550,230.40 : x
  2. Step 2: Convert to fraction form
    713,389,347.20/1,070,084,020.80 = 604,550,230.40/x
  3. Step 3: Cross multiply
    713,389,347.20x = 1,070,084,020.80 × 604,550,230.40
  4. Step 4: Simplify right side
    713,389,347.20x = 646,919,541,321,998,336
  5. Step 5: Solve for x
    x = 646,919,541,321,998,336/713,389,347.20
  6. Step 6: Final answer
    x = 906,825,345.60

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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.