Home / 28,723,713,400,470-39,638,762,718,369-15,554,727,430,101

Finding the Fourth Proportional to 28,723,713,400,470, 39,638,762,718,369 and 15,554,727,430,101

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Solution

The fourth proportional to 28,723,713,400,470, 39,638,762,718,369 and 15,554,727,430,101 is: 21,465,544,553,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,713,400,470 : 39,638,762,718,369 = 15,554,727,430,101 : x
  2. Step 2: Convert to fraction form
    28,723,713,400,470/39,638,762,718,369 = 15,554,727,430,101/x
  3. Step 3: Cross multiply
    28,723,713,400,470x = 39,638,762,718,369 × 15,554,727,430,101
  4. Step 4: Simplify right side
    28,723,713,400,470x = 616,570,149,750,679,136,284,704,768
  5. Step 5: Solve for x
    x = 616,570,149,750,679,136,284,704,768/28,723,713,400,470
  6. Step 6: Final answer
    x = 21,465,544,553,880.36

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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.