Home / 444,528,020.40-666,792,030.60-121,411,892.40

Finding the Fourth Proportional to 444,528,020.40, 666,792,030.60 and 121,411,892.40

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Solution

The fourth proportional to 444,528,020.40, 666,792,030.60 and 121,411,892.40 is: 182,117,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,528,020.40 : 666,792,030.60 = 121,411,892.40 : x
  2. Step 2: Convert to fraction form
    444,528,020.40/666,792,030.60 = 121,411,892.40/x
  3. Step 3: Cross multiply
    444,528,020.40x = 666,792,030.60 × 121,411,892.40
  4. Step 4: Simplify right side
    444,528,020.40x = 80,956,482,272,384,720
  5. Step 5: Solve for x
    x = 80,956,482,272,384,720/444,528,020.40
  6. Step 6: Final answer
    x = 182,117,838.60

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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.