Home / 1,259,716,530.40-1,889,574,795.60-1,208,698,194.40

Finding the Fourth Proportional to 1,259,716,530.40, 1,889,574,795.60 and 1,208,698,194.40

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Solution

The fourth proportional to 1,259,716,530.40, 1,889,574,795.60 and 1,208,698,194.40 is: 1,813,047,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,716,530.40 : 1,889,574,795.60 = 1,208,698,194.40 : x
  2. Step 2: Convert to fraction form
    1,259,716,530.40/1,889,574,795.60 = 1,208,698,194.40/x
  3. Step 3: Cross multiply
    1,259,716,530.40x = 1,889,574,795.60 × 1,208,698,194.40
  4. Step 4: Simplify right side
    1,259,716,530.40x = 2,283,925,643,625,469,184
  5. Step 5: Solve for x
    x = 2,283,925,643,625,469,184/1,259,716,530.40
  6. Step 6: Final answer
    x = 1,813,047,291.60

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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.