Home / 1,417,699,637.40-2,123,148,233.70-689,838,043.80

Finding the Fourth Proportional to 1,417,699,637.40, 2,123,148,233.70 and 689,838,043.80

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Solution

The fourth proportional to 1,417,699,637.40, 2,123,148,233.70 and 689,838,043.80 is: 1,033,102,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,699,637.40 : 2,123,148,233.70 = 689,838,043.80 : x
  2. Step 2: Convert to fraction form
    1,417,699,637.40/2,123,148,233.70 = 689,838,043.80/x
  3. Step 3: Cross multiply
    1,417,699,637.40x = 2,123,148,233.70 × 689,838,043.80
  4. Step 4: Simplify right side
    1,417,699,637.40x = 1,464,628,424,233,033,216
  5. Step 5: Solve for x
    x = 1,464,628,424,233,033,216/1,417,699,637.40
  6. Step 6: Final answer
    x = 1,033,102,065.91

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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.