Home / 28,930,264,070,972-39,896,947,154,560-21,114,026,433,628

Finding the Fourth Proportional to 28,930,264,070,972, 39,896,947,154,560 and 21,114,026,433,628

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Solution

The fourth proportional to 28,930,264,070,972, 39,896,947,154,560 and 21,114,026,433,628 is: 29,117,784,572,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930,264,070,972 : 39,896,947,154,560 = 21,114,026,433,628 : x
  2. Step 2: Convert to fraction form
    28,930,264,070,972/39,896,947,154,560 = 21,114,026,433,628/x
  3. Step 3: Cross multiply
    28,930,264,070,972x = 39,896,947,154,560 × 21,114,026,433,628
  4. Step 4: Simplify right side
    28,930,264,070,972x = 842,385,196,842,439,265,799,372,800
  5. Step 5: Solve for x
    x = 842,385,196,842,439,265,799,372,800/28,930,264,070,972
  6. Step 6: Final answer
    x = 29,117,784,572,442.61

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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.