Home / 1,075,431,389.60-1,613,147,084.40-530,434,013.60

Finding the Fourth Proportional to 1,075,431,389.60, 1,613,147,084.40 and 530,434,013.60

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Solution

The fourth proportional to 1,075,431,389.60, 1,613,147,084.40 and 530,434,013.60 is: 795,651,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,431,389.60 : 1,613,147,084.40 = 530,434,013.60 : x
  2. Step 2: Convert to fraction form
    1,075,431,389.60/1,613,147,084.40 = 530,434,013.60/x
  3. Step 3: Cross multiply
    1,075,431,389.60x = 1,613,147,084.40 × 530,434,013.60
  4. Step 4: Simplify right side
    1,075,431,389.60x = 855,668,082,505,430,016
  5. Step 5: Solve for x
    x = 855,668,082,505,430,016/1,075,431,389.60
  6. Step 6: Final answer
    x = 795,651,020.40

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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.