Home / 30,903,537,344.40-46,355,306,016.60-7,639,176,128.40

Finding the Fourth Proportional to 30,903,537,344.40, 46,355,306,016.60 and 7,639,176,128.40

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Solution

The fourth proportional to 30,903,537,344.40, 46,355,306,016.60 and 7,639,176,128.40 is: 11,458,764,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903,537,344.40 : 46,355,306,016.60 = 7,639,176,128.40 : x
  2. Step 2: Convert to fraction form
    30,903,537,344.40/46,355,306,016.60 = 7,639,176,128.40/x
  3. Step 3: Cross multiply
    30,903,537,344.40x = 46,355,306,016.60 × 7,639,176,128.40
  4. Step 4: Simplify right side
    30,903,537,344.40x = 354,116,347,146,687,610,880
  5. Step 5: Solve for x
    x = 354,116,347,146,687,610,880/30,903,537,344.40
  6. Step 6: Final answer
    x = 11,458,764,192.60

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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.