Home / 1,195,282,719.60-1,649,492,354.10-666,680,777.16

Finding the Fourth Proportional to 1,195,282,719.60, 1,649,492,354.10 and 666,680,777.16

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Solution

The fourth proportional to 1,195,282,719.60, 1,649,492,354.10 and 666,680,777.16 is: 920,020,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,282,719.60 : 1,649,492,354.10 = 666,680,777.16 : x
  2. Step 2: Convert to fraction form
    1,195,282,719.60/1,649,492,354.10 = 666,680,777.16/x
  3. Step 3: Cross multiply
    1,195,282,719.60x = 1,649,492,354.10 × 666,680,777.16
  4. Step 4: Simplify right side
    1,195,282,719.60x = 1,099,684,844,550,865,792
  5. Step 5: Solve for x
    x = 1,099,684,844,550,865,792/1,195,282,719.60
  6. Step 6: Final answer
    x = 920,020,700.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.