Home / 13,316,371,032.61-18,376,445,573.74-7,212,571,738.17

Finding the Fourth Proportional to 13,316,371,032.61, 18,376,445,573.74 and 7,212,571,738.17

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Solution

The fourth proportional to 13,316,371,032.61, 18,376,445,573.74 and 7,212,571,738.17 is: 9,953,269,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,371,032.61 : 18,376,445,573.74 = 7,212,571,738.17 : x
  2. Step 2: Convert to fraction form
    13,316,371,032.61/18,376,445,573.74 = 7,212,571,738.17/x
  3. Step 3: Cross multiply
    13,316,371,032.61x = 18,376,445,573.74 × 7,212,571,738.17
  4. Step 4: Simplify right side
    13,316,371,032.61x = 132,541,431,993,176,326,144
  5. Step 5: Solve for x
    x = 132,541,431,993,176,326,144/13,316,371,032.61
  6. Step 6: Final answer
    x = 9,953,269,676.00

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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.