Home / 417,025,643.60-625,538,465.40-190,090,859.60

Finding the Fourth Proportional to 417,025,643.60, 625,538,465.40 and 190,090,859.60

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Solution

The fourth proportional to 417,025,643.60, 625,538,465.40 and 190,090,859.60 is: 285,136,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,025,643.60 : 625,538,465.40 = 190,090,859.60 : x
  2. Step 2: Convert to fraction form
    417,025,643.60/625,538,465.40 = 190,090,859.60/x
  3. Step 3: Cross multiply
    417,025,643.60x = 625,538,465.40 × 190,090,859.60
  4. Step 4: Simplify right side
    417,025,643.60x = 118,909,144,600,750,848
  5. Step 5: Solve for x
    x = 118,909,144,600,750,848/417,025,643.60
  6. Step 6: Final answer
    x = 285,136,289.40

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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.