Home / 1,051,569,690.95-1,443,567,133.54-902,632,243.53

Finding the Fourth Proportional to 1,051,569,690.95, 1,443,567,133.54 and 902,632,243.53

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Solution

The fourth proportional to 1,051,569,690.95, 1,443,567,133.54 and 902,632,243.53 is: 1,239,109,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,569,690.95 : 1,443,567,133.54 = 902,632,243.53 : x
  2. Step 2: Convert to fraction form
    1,051,569,690.95/1,443,567,133.54 = 902,632,243.53/x
  3. Step 3: Cross multiply
    1,051,569,690.95x = 1,443,567,133.54 × 902,632,243.53
  4. Step 4: Simplify right side
    1,051,569,690.95x = 1,303,010,240,433,381,120
  5. Step 5: Solve for x
    x = 1,303,010,240,433,381,120/1,051,569,690.95
  6. Step 6: Final answer
    x = 1,239,109,734.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.