Home / 1,275,807,619.60-1,914,607,224.60-549,317,712.40

Finding the Fourth Proportional to 1,275,807,619.60, 1,914,607,224.60 and 549,317,712.40

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Solution

The fourth proportional to 1,275,807,619.60, 1,914,607,224.60 and 549,317,712.40 is: 824,362,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,807,619.60 : 1,914,607,224.60 = 549,317,712.40 : x
  2. Step 2: Convert to fraction form
    1,275,807,619.60/1,914,607,224.60 = 549,317,712.40/x
  3. Step 3: Cross multiply
    1,275,807,619.60x = 1,914,607,224.60 × 549,317,712.40
  4. Step 4: Simplify right side
    1,275,807,619.60x = 1,051,727,660,761,784,960
  5. Step 5: Solve for x
    x = 1,051,727,660,761,784,960/1,275,807,619.60
  6. Step 6: Final answer
    x = 824,362,266.38

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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.