Home / 1,259,569,643.60-1,889,354,465.40-801,538,360.40

Finding the Fourth Proportional to 1,259,569,643.60, 1,889,354,465.40 and 801,538,360.40

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Solution

The fourth proportional to 1,259,569,643.60, 1,889,354,465.40 and 801,538,360.40 is: 1,202,307,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,569,643.60 : 1,889,354,465.40 = 801,538,360.40 : x
  2. Step 2: Convert to fraction form
    1,259,569,643.60/1,889,354,465.40 = 801,538,360.40/x
  3. Step 3: Cross multiply
    1,259,569,643.60x = 1,889,354,465.40 × 801,538,360.40
  4. Step 4: Simplify right side
    1,259,569,643.60x = 1,514,390,080,411,134,464
  5. Step 5: Solve for x
    x = 1,514,390,080,411,134,464/1,259,569,643.60
  6. Step 6: Final answer
    x = 1,202,307,540.60

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1.5x scale

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.