Home / 776,744,266.74-1,072,162,535.67-618,265,091.34

Finding the Fourth Proportional to 776,744,266.74, 1,072,162,535.67 and 618,265,091.34

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Solution

The fourth proportional to 776,744,266.74, 1,072,162,535.67 and 618,265,091.34 is: 853,409,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,744,266.74 : 1,072,162,535.67 = 618,265,091.34 : x
  2. Step 2: Convert to fraction form
    776,744,266.74/1,072,162,535.67 = 618,265,091.34/x
  3. Step 3: Cross multiply
    776,744,266.74x = 1,072,162,535.67 × 618,265,091.34
  4. Step 4: Simplify right side
    776,744,266.74x = 662,880,668,047,338,624
  5. Step 5: Solve for x
    x = 662,880,668,047,338,624/776,744,266.74
  6. Step 6: Final answer
    x = 853,409,154.64

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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.