Home / 391,140,585,541.60-586,710,878,312.40-111,968,250,949.60

Finding the Fourth Proportional to 391,140,585,541.60, 586,710,878,312.40 and 111,968,250,949.60

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Solution

The fourth proportional to 391,140,585,541.60, 586,710,878,312.40 and 111,968,250,949.60 is: 167,952,376,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,585,541.60 : 586,710,878,312.40 = 111,968,250,949.60 : x
  2. Step 2: Convert to fraction form
    391,140,585,541.60/586,710,878,312.40 = 111,968,250,949.60/x
  3. Step 3: Cross multiply
    391,140,585,541.60x = 586,710,878,312.40 × 111,968,250,949.60
  4. Step 4: Simplify right side
    391,140,585,541.60x = 65,692,990,857,743,035,269,120
  5. Step 5: Solve for x
    x = 65,692,990,857,743,035,269,120/391,140,585,541.60
  6. Step 6: Final answer
    x = 167,952,376,424.40

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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.