Home / 1,397,157,918.10-2,095,736,877.15-1,189,417,631.20

Finding the Fourth Proportional to 1,397,157,918.10, 2,095,736,877.15 and 1,189,417,631.20

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Solution

The fourth proportional to 1,397,157,918.10, 2,095,736,877.15 and 1,189,417,631.20 is: 1,784,126,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,157,918.10 : 2,095,736,877.15 = 1,189,417,631.20 : x
  2. Step 2: Convert to fraction form
    1,397,157,918.10/2,095,736,877.15 = 1,189,417,631.20/x
  3. Step 3: Cross multiply
    1,397,157,918.10x = 2,095,736,877.15 × 1,189,417,631.20
  4. Step 4: Simplify right side
    1,397,157,918.10x = 2,492,706,392,038,238,720
  5. Step 5: Solve for x
    x = 2,492,706,392,038,238,720/1,397,157,918.10
  6. Step 6: Final answer
    x = 1,784,126,446.80

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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.