Home / 742,835,999.70-1,111,608,604.35-646,845,945.30

Finding the Fourth Proportional to 742,835,999.70, 1,111,608,604.35 and 646,845,945.30

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Solution

The fourth proportional to 742,835,999.70, 1,111,608,604.35 and 646,845,945.30 is: 967,965,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,835,999.70 : 1,111,608,604.35 = 646,845,945.30 : x
  2. Step 2: Convert to fraction form
    742,835,999.70/1,111,608,604.35 = 646,845,945.30/x
  3. Step 3: Cross multiply
    742,835,999.70x = 1,111,608,604.35 × 646,845,945.30
  4. Step 4: Simplify right side
    742,835,999.70x = 719,039,518,484,389,376
  5. Step 5: Solve for x
    x = 719,039,518,484,389,376/742,835,999.70
  6. Step 6: Final answer
    x = 967,965,363.52

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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.