Home / 21,029,863,657,854-29,021,189,837,506-11,780,913,063,046

Finding the Fourth Proportional to 21,029,863,657,854, 29,021,189,837,506 and 11,780,913,063,046

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Solution

The fourth proportional to 21,029,863,657,854, 29,021,189,837,506 and 11,780,913,063,046 is: 16,257,647,696,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,863,657,854 : 29,021,189,837,506 = 11,780,913,063,046 : x
  2. Step 2: Convert to fraction form
    21,029,863,657,854/29,021,189,837,506 = 11,780,913,063,046/x
  3. Step 3: Cross multiply
    21,029,863,657,854x = 29,021,189,837,506 × 11,780,913,063,046
  4. Step 4: Simplify right side
    21,029,863,657,854x = 341,896,114,461,812,256,011,190,272
  5. Step 5: Solve for x
    x = 341,896,114,461,812,256,011,190,272/21,029,863,657,854
  6. Step 6: Final answer
    x = 16,257,647,696,832.53

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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.