Home / 1,377,877,536.60-2,066,816,304.90-990,457,047.60

Finding the Fourth Proportional to 1,377,877,536.60, 2,066,816,304.90 and 990,457,047.60

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Solution

The fourth proportional to 1,377,877,536.60, 2,066,816,304.90 and 990,457,047.60 is: 1,485,685,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,877,536.60 : 2,066,816,304.90 = 990,457,047.60 : x
  2. Step 2: Convert to fraction form
    1,377,877,536.60/2,066,816,304.90 = 990,457,047.60/x
  3. Step 3: Cross multiply
    1,377,877,536.60x = 2,066,816,304.90 × 990,457,047.60
  4. Step 4: Simplify right side
    1,377,877,536.60x = 2,047,092,775,282,795,520
  5. Step 5: Solve for x
    x = 2,047,092,775,282,795,520/1,377,877,536.60
  6. Step 6: Final answer
    x = 1,485,685,571.40

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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.