Home / 1,303,605,422.59-1,798,939,607.46-716,894,558.59

Finding the Fourth Proportional to 1,303,605,422.59, 1,798,939,607.46 and 716,894,558.59

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Solution

The fourth proportional to 1,303,605,422.59, 1,798,939,607.46 and 716,894,558.59 is: 989,294,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,605,422.59 : 1,798,939,607.46 = 716,894,558.59 : x
  2. Step 2: Convert to fraction form
    1,303,605,422.59/1,798,939,607.46 = 716,894,558.59/x
  3. Step 3: Cross multiply
    1,303,605,422.59x = 1,798,939,607.46 × 716,894,558.59
  4. Step 4: Simplify right side
    1,303,605,422.59x = 1,289,650,015,820,104,704
  5. Step 5: Solve for x
    x = 1,289,650,015,820,104,704/1,303,605,422.59
  6. Step 6: Final answer
    x = 989,294,761.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.