Home / 3,938,893,458.40-5,908,340,187.60-1,900,461,714.40

Finding the Fourth Proportional to 3,938,893,458.40, 5,908,340,187.60 and 1,900,461,714.40

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Solution

The fourth proportional to 3,938,893,458.40, 5,908,340,187.60 and 1,900,461,714.40 is: 2,850,692,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,893,458.40 : 5,908,340,187.60 = 1,900,461,714.40 : x
  2. Step 2: Convert to fraction form
    3,938,893,458.40/5,908,340,187.60 = 1,900,461,714.40/x
  3. Step 3: Cross multiply
    3,938,893,458.40x = 5,908,340,187.60 × 1,900,461,714.40
  4. Step 4: Simplify right side
    3,938,893,458.40x = 11,228,574,322,184,714,240
  5. Step 5: Solve for x
    x = 11,228,574,322,184,714,240/3,938,893,458.40
  6. Step 6: Final answer
    x = 2,850,692,571.60

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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.