Home / 943,382,046.70-1,415,073,070.05-288,331,806.70

Finding the Fourth Proportional to 943,382,046.70, 1,415,073,070.05 and 288,331,806.70

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Solution

The fourth proportional to 943,382,046.70, 1,415,073,070.05 and 288,331,806.70 is: 432,497,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,382,046.70 : 1,415,073,070.05 = 288,331,806.70 : x
  2. Step 2: Convert to fraction form
    943,382,046.70/1,415,073,070.05 = 288,331,806.70/x
  3. Step 3: Cross multiply
    943,382,046.70x = 1,415,073,070.05 × 288,331,806.70
  4. Step 4: Simplify right side
    943,382,046.70x = 408,010,574,900,032,128
  5. Step 5: Solve for x
    x = 408,010,574,900,032,128/943,382,046.70
  6. Step 6: Final answer
    x = 432,497,710.05

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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.