Home / 9,920,231,999.40-14,880,347,999.10-3,708,590,159.10

Finding the Fourth Proportional to 9,920,231,999.40, 14,880,347,999.10 and 3,708,590,159.10

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Solution

The fourth proportional to 9,920,231,999.40, 14,880,347,999.10 and 3,708,590,159.10 is: 5,562,885,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,231,999.40 : 14,880,347,999.10 = 3,708,590,159.10 : x
  2. Step 2: Convert to fraction form
    9,920,231,999.40/14,880,347,999.10 = 3,708,590,159.10/x
  3. Step 3: Cross multiply
    9,920,231,999.40x = 14,880,347,999.10 × 3,708,590,159.10
  4. Step 4: Simplify right side
    9,920,231,999.40x = 55,185,112,153,445,638,144
  5. Step 5: Solve for x
    x = 55,185,112,153,445,638,144/9,920,231,999.40
  6. Step 6: Final answer
    x = 5,562,885,238.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.