Home / 811,971,577.27-1,120,531,526.22-440,698,059.19

Finding the Fourth Proportional to 811,971,577.27, 1,120,531,526.22 and 440,698,059.19

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Solution

The fourth proportional to 811,971,577.27, 1,120,531,526.22 and 440,698,059.19 is: 608,169,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,971,577.27 : 1,120,531,526.22 = 440,698,059.19 : x
  2. Step 2: Convert to fraction form
    811,971,577.27/1,120,531,526.22 = 440,698,059.19/x
  3. Step 3: Cross multiply
    811,971,577.27x = 1,120,531,526.22 × 440,698,059.19
  4. Step 4: Simplify right side
    811,971,577.27x = 493,816,068,866,362,624
  5. Step 5: Solve for x
    x = 493,816,068,866,362,624/811,971,577.27
  6. Step 6: Final answer
    x = 608,169,156.03

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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.