Home / 434,405,145.60-651,607,718.40-127,728,259.20

Finding the Fourth Proportional to 434,405,145.60, 651,607,718.40 and 127,728,259.20

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Solution

The fourth proportional to 434,405,145.60, 651,607,718.40 and 127,728,259.20 is: 191,592,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,405,145.60 : 651,607,718.40 = 127,728,259.20 : x
  2. Step 2: Convert to fraction form
    434,405,145.60/651,607,718.40 = 127,728,259.20/x
  3. Step 3: Cross multiply
    434,405,145.60x = 651,607,718.40 × 127,728,259.20
  4. Step 4: Simplify right side
    434,405,145.60x = 83,228,719,552,515,808
  5. Step 5: Solve for x
    x = 83,228,719,552,515,808/434,405,145.60
  6. Step 6: Final answer
    x = 191,592,388.80

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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.