Home / 1,313,709,658.40-1,812,924,133.08-710,880,286.88

Finding the Fourth Proportional to 1,313,709,658.40, 1,812,924,133.08 and 710,880,286.88

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Solution

The fourth proportional to 1,313,709,658.40, 1,812,924,133.08 and 710,880,286.88 is: 981,017,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,709,658.40 : 1,812,924,133.08 = 710,880,286.88 : x
  2. Step 2: Convert to fraction form
    1,313,709,658.40/1,812,924,133.08 = 710,880,286.88/x
  3. Step 3: Cross multiply
    1,313,709,658.40x = 1,812,924,133.08 × 710,880,286.88
  4. Step 4: Simplify right side
    1,313,709,658.40x = 1,288,772,027,815,585,536
  5. Step 5: Solve for x
    x = 1,288,772,027,815,585,536/1,313,709,658.40
  6. Step 6: Final answer
    x = 981,017,395.72

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1.5x scale

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.