Home / 1,221,249,002.64-1,827,250,947-723,526,838.16

Finding the Fourth Proportional to 1,221,249,002.64, 1,827,250,947 and 723,526,838.16

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Solution

The fourth proportional to 1,221,249,002.64, 1,827,250,947 and 723,526,838.16 is: 1,082,551,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,249,002.64 : 1,827,250,947 = 723,526,838.16 : x
  2. Step 2: Convert to fraction form
    1,221,249,002.64/1,827,250,947 = 723,526,838.16/x
  3. Step 3: Cross multiply
    1,221,249,002.64x = 1,827,250,947 × 723,526,838.16
  4. Step 4: Simplify right side
    1,221,249,002.64x = 1,322,065,100,207,775,744
  5. Step 5: Solve for x
    x = 1,322,065,100,207,775,744/1,221,249,002.64
  6. Step 6: Final answer
    x = 1,082,551,631.44

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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.