Home / 1,313,709,871.60-1,812,924,425.40-710,880,497.76

Finding the Fourth Proportional to 1,313,709,871.60, 1,812,924,425.40 and 710,880,497.76

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Solution

The fourth proportional to 1,313,709,871.60, 1,812,924,425.40 and 710,880,497.76 is: 981,017,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,709,871.60 : 1,812,924,425.40 = 710,880,497.76 : x
  2. Step 2: Convert to fraction form
    1,313,709,871.60/1,812,924,425.40 = 710,880,497.76/x
  3. Step 3: Cross multiply
    1,313,709,871.60x = 1,812,924,425.40 × 710,880,497.76
  4. Step 4: Simplify right side
    1,313,709,871.60x = 1,288,772,617,929,614,080
  5. Step 5: Solve for x
    x = 1,288,772,617,929,614,080/1,313,709,871.60
  6. Step 6: Final answer
    x = 981,017,685.71

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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.