Home / 28,930,264,070,973-39,896,947,154,559-21,114,026,433,628

Finding the Fourth Proportional to 28,930,264,070,973, 39,896,947,154,559 and 21,114,026,433,628

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Solution

The fourth proportional to 28,930,264,070,973, 39,896,947,154,559 and 21,114,026,433,628 is: 29,117,784,572,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930,264,070,973 : 39,896,947,154,559 = 21,114,026,433,628 : x
  2. Step 2: Convert to fraction form
    28,930,264,070,973/39,896,947,154,559 = 21,114,026,433,628/x
  3. Step 3: Cross multiply
    28,930,264,070,973x = 39,896,947,154,559 × 21,114,026,433,628
  4. Step 4: Simplify right side
    28,930,264,070,973x = 842,385,196,842,418,100,200,538,112
  5. Step 5: Solve for x
    x = 842,385,196,842,418,100,200,538,112/28,930,264,070,973
  6. Step 6: Final answer
    x = 29,117,784,572,440.87

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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.