Home / 1,313,709,797.12-1,812,924,322.86-710,880,423.27

Finding the Fourth Proportional to 1,313,709,797.12, 1,812,924,322.86 and 710,880,423.27

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Solution

The fourth proportional to 1,313,709,797.12, 1,812,924,322.86 and 710,880,423.27 is: 981,017,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,709,797.12 : 1,812,924,322.86 = 710,880,423.27 : x
  2. Step 2: Convert to fraction form
    1,313,709,797.12/1,812,924,322.86 = 710,880,423.27/x
  3. Step 3: Cross multiply
    1,313,709,797.12x = 1,812,924,322.86 × 710,880,423.27
  4. Step 4: Simplify right side
    1,313,709,797.12x = 1,288,772,409,997,233,408
  5. Step 5: Solve for x
    x = 1,288,772,409,997,233,408/1,313,709,797.12
  6. Step 6: Final answer
    x = 981,017,583.05

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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.