Home / 27,843,431,927.95-38,424,864,182.08-15,638,287,892.59

Finding the Fourth Proportional to 27,843,431,927.95, 38,424,864,182.08 and 15,638,287,892.59

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Solution

The fourth proportional to 27,843,431,927.95, 38,424,864,182.08 and 15,638,287,892.59 is: 21,581,358,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843,431,927.95 : 38,424,864,182.08 = 15,638,287,892.59 : x
  2. Step 2: Convert to fraction form
    27,843,431,927.95/38,424,864,182.08 = 15,638,287,892.59/x
  3. Step 3: Cross multiply
    27,843,431,927.95x = 38,424,864,182.08 × 15,638,287,892.59
  4. Step 4: Simplify right side
    27,843,431,927.95x = 600,899,088,312,844,681,216
  5. Step 5: Solve for x
    x = 600,899,088,312,844,681,216/27,843,431,927.95
  6. Step 6: Final answer
    x = 21,581,358,572.03

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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.