Home / 1,051,569,689.95-1,443,567,132.17-902,632,242.53

Finding the Fourth Proportional to 1,051,569,689.95, 1,443,567,132.17 and 902,632,242.53

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Solution

The fourth proportional to 1,051,569,689.95, 1,443,567,132.17 and 902,632,242.53 is: 1,239,109,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,569,689.95 : 1,443,567,132.17 = 902,632,242.53 : x
  2. Step 2: Convert to fraction form
    1,051,569,689.95/1,443,567,132.17 = 902,632,242.53/x
  3. Step 3: Cross multiply
    1,051,569,689.95x = 1,443,567,132.17 × 902,632,242.53
  4. Step 4: Simplify right side
    1,051,569,689.95x = 1,303,010,237,758,170,880
  5. Step 5: Solve for x
    x = 1,303,010,237,758,170,880/1,051,569,689.95
  6. Step 6: Final answer
    x = 1,239,109,733.01

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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.