Home / 13,273,052,507.61-18,316,819,809.59-7,169,405,038.49

Finding the Fourth Proportional to 13,273,052,507.61, 18,316,819,809.59 and 7,169,405,038.49

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Solution

The fourth proportional to 13,273,052,507.61, 18,316,819,809.59 and 7,169,405,038.49 is: 9,893,782,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,052,507.61 : 18,316,819,809.59 = 7,169,405,038.49 : x
  2. Step 2: Convert to fraction form
    13,273,052,507.61/18,316,819,809.59 = 7,169,405,038.49/x
  3. Step 3: Cross multiply
    13,273,052,507.61x = 18,316,819,809.59 × 7,169,405,038.49
  4. Step 4: Simplify right side
    13,273,052,507.61x = 131,320,700,231,860,551,680
  5. Step 5: Solve for x
    x = 131,320,700,231,860,551,680/13,273,052,507.61
  6. Step 6: Final answer
    x = 9,893,782,922.70

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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.