Home / 298,490,235,541.60-447,735,353,312.40-131,124,584,293.60

Finding the Fourth Proportional to 298,490,235,541.60, 447,735,353,312.40 and 131,124,584,293.60

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Solution

The fourth proportional to 298,490,235,541.60, 447,735,353,312.40 and 131,124,584,293.60 is: 196,686,876,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,490,235,541.60 : 447,735,353,312.40 = 131,124,584,293.60 : x
  2. Step 2: Convert to fraction form
    298,490,235,541.60/447,735,353,312.40 = 131,124,584,293.60/x
  3. Step 3: Cross multiply
    298,490,235,541.60x = 447,735,353,312.40 × 131,124,584,293.60
  4. Step 4: Simplify right side
    298,490,235,541.60x = 58,709,112,076,636,577,071,104
  5. Step 5: Solve for x
    x = 58,709,112,076,636,577,071,104/298,490,235,541.60
  6. Step 6: Final answer
    x = 196,686,876,440.40

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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.