Home / 13,273,051,665.77-18,316,818,646.69-7,169,404,193.22

Finding the Fourth Proportional to 13,273,051,665.77, 18,316,818,646.69 and 7,169,404,193.22

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Solution

The fourth proportional to 13,273,051,665.77, 18,316,818,646.69 and 7,169,404,193.22 is: 9,893,781,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,051,665.77 : 18,316,818,646.69 = 7,169,404,193.22 : x
  2. Step 2: Convert to fraction form
    13,273,051,665.77/18,316,818,646.69 = 7,169,404,193.22/x
  3. Step 3: Cross multiply
    13,273,051,665.77x = 18,316,818,646.69 × 7,169,404,193.22
  4. Step 4: Simplify right side
    13,273,051,665.77x = 131,320,676,411,969,437,696
  5. Step 5: Solve for x
    x = 131,320,676,411,969,437,696/13,273,051,665.77
  6. Step 6: Final answer
    x = 9,893,781,755.60

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1.5x scale

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.