Home / 712,404,006.40-1,068,606,009.60-550,961,804.80

Finding the Fourth Proportional to 712,404,006.40, 1,068,606,009.60 and 550,961,804.80

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Solution

The fourth proportional to 712,404,006.40, 1,068,606,009.60 and 550,961,804.80 is: 826,442,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,404,006.40 : 1,068,606,009.60 = 550,961,804.80 : x
  2. Step 2: Convert to fraction form
    712,404,006.40/1,068,606,009.60 = 550,961,804.80/x
  3. Step 3: Cross multiply
    712,404,006.40x = 1,068,606,009.60 × 550,961,804.80
  4. Step 4: Simplify right side
    712,404,006.40x = 588,761,095,669,342,080
  5. Step 5: Solve for x
    x = 588,761,095,669,342,080/712,404,006.40
  6. Step 6: Final answer
    x = 826,442,707.20

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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.