Home / 249,628,019.60-374,442,029.40-189,161,843.60

Finding the Fourth Proportional to 249,628,019.60, 374,442,029.40 and 189,161,843.60

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Solution

The fourth proportional to 249,628,019.60, 374,442,029.40 and 189,161,843.60 is: 283,742,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628,019.60 : 374,442,029.40 = 189,161,843.60 : x
  2. Step 2: Convert to fraction form
    249,628,019.60/374,442,029.40 = 189,161,843.60/x
  3. Step 3: Cross multiply
    249,628,019.60x = 374,442,029.40 × 189,161,843.60
  4. Step 4: Simplify right side
    249,628,019.60x = 70,830,144,602,629,392
  5. Step 5: Solve for x
    x = 70,830,144,602,629,392/249,628,019.60
  6. Step 6: Final answer
    x = 283,742,765.40

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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.