Home / 1,130,330,517.18-1,559,857,406.90-628,528,526.96

Finding the Fourth Proportional to 1,130,330,517.18, 1,559,857,406.90 and 628,528,526.96

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Solution

The fourth proportional to 1,130,330,517.18, 1,559,857,406.90 and 628,528,526.96 is: 867,370,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,330,517.18 : 1,559,857,406.90 = 628,528,526.96 : x
  2. Step 2: Convert to fraction form
    1,130,330,517.18/1,559,857,406.90 = 628,528,526.96/x
  3. Step 3: Cross multiply
    1,130,330,517.18x = 1,559,857,406.90 × 628,528,526.96
  4. Step 4: Simplify right side
    1,130,330,517.18x = 980,414,878,226,502,400
  5. Step 5: Solve for x
    x = 980,414,878,226,502,400/1,130,330,517.18
  6. Step 6: Final answer
    x = 867,370,086.29

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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.