Home / 28,426,736,644,759-39,228,896,569,768-16,260,700,168,855

Finding the Fourth Proportional to 28,426,736,644,759, 39,228,896,569,768 and 16,260,700,168,855

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Solution

The fourth proportional to 28,426,736,644,759, 39,228,896,569,768 and 16,260,700,168,855 is: 22,439,766,233,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426,736,644,759 : 39,228,896,569,768 = 16,260,700,168,855 : x
  2. Step 2: Convert to fraction form
    28,426,736,644,759/39,228,896,569,768 = 16,260,700,168,855/x
  3. Step 3: Cross multiply
    28,426,736,644,759x = 39,228,896,569,768 × 16,260,700,168,855
  4. Step 4: Simplify right side
    28,426,736,644,759x = 637,889,325,076,021,886,557,618,176
  5. Step 5: Solve for x
    x = 637,889,325,076,021,886,557,618,176/28,426,736,644,759
  6. Step 6: Final answer
    x = 22,439,766,233,020.23

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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.