Home / 759,876,577.60-1,139,814,866.40-717,550,254.40

Finding the Fourth Proportional to 759,876,577.60, 1,139,814,866.40 and 717,550,254.40

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Solution

The fourth proportional to 759,876,577.60, 1,139,814,866.40 and 717,550,254.40 is: 1,076,325,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,876,577.60 : 1,139,814,866.40 = 717,550,254.40 : x
  2. Step 2: Convert to fraction form
    759,876,577.60/1,139,814,866.40 = 717,550,254.40/x
  3. Step 3: Cross multiply
    759,876,577.60x = 1,139,814,866.40 × 717,550,254.40
  4. Step 4: Simplify right side
    759,876,577.60x = 817,874,447,354,222,080
  5. Step 5: Solve for x
    x = 817,874,447,354,222,080/759,876,577.60
  6. Step 6: Final answer
    x = 1,076,325,381.60

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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.