Home / 1,535,476,361.80-2,118,950,996.98-830,626,605.76

Finding the Fourth Proportional to 1,535,476,361.80, 2,118,950,996.98 and 830,626,605.76

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Solution

The fourth proportional to 1,535,476,361.80, 2,118,950,996.98 and 830,626,605.76 is: 1,146,261,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,476,361.80 : 2,118,950,996.98 = 830,626,605.76 : x
  2. Step 2: Convert to fraction form
    1,535,476,361.80/2,118,950,996.98 = 830,626,605.76/x
  3. Step 3: Cross multiply
    1,535,476,361.80x = 2,118,950,996.98 × 830,626,605.76
  4. Step 4: Simplify right side
    1,535,476,361.80x = 1,760,057,074,393,265,408
  5. Step 5: Solve for x
    x = 1,760,057,074,393,265,408/1,535,476,361.80
  6. Step 6: Final answer
    x = 1,146,261,263.40

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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.