Home / 444,528,009.60-666,792,014.40-121,411,881.60

Finding the Fourth Proportional to 444,528,009.60, 666,792,014.40 and 121,411,881.60

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Solution

The fourth proportional to 444,528,009.60, 666,792,014.40 and 121,411,881.60 is: 182,117,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,528,009.60 : 666,792,014.40 = 121,411,881.60 : x
  2. Step 2: Convert to fraction form
    444,528,009.60/666,792,014.40 = 121,411,881.60/x
  3. Step 3: Cross multiply
    444,528,009.60x = 666,792,014.40 × 121,411,881.60
  4. Step 4: Simplify right side
    444,528,009.60x = 80,956,473,104,158,288
  5. Step 5: Solve for x
    x = 80,956,473,104,158,288/444,528,009.60
  6. Step 6: Final answer
    x = 182,117,822.40

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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.