Home / 1,020,439,836-1,408,207,265.28-597,134,859.84

Finding the Fourth Proportional to 1,020,439,836, 1,408,207,265.28 and 597,134,859.84

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Solution

The fourth proportional to 1,020,439,836, 1,408,207,265.28 and 597,134,859.84 is: 824,046,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,439,836 : 1,408,207,265.28 = 597,134,859.84 : x
  2. Step 2: Convert to fraction form
    1,020,439,836/1,408,207,265.28 = 597,134,859.84/x
  3. Step 3: Cross multiply
    1,020,439,836x = 1,408,207,265.28 × 597,134,859.84
  4. Step 4: Simplify right side
    1,020,439,836x = 840,889,647,978,642,560
  5. Step 5: Solve for x
    x = 840,889,647,978,642,560/1,020,439,836
  6. Step 6: Final answer
    x = 824,046,277.22

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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.