Home / 252,077,754,472.12-347,875,598,407.74-137,889,762,345.46

Finding the Fourth Proportional to 252,077,754,472.12, 347,875,598,407.74 and 137,889,762,345.46

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Solution

The fourth proportional to 252,077,754,472.12, 347,875,598,407.74 and 137,889,762,345.46 is: 190,292,410,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,077,754,472.12 : 347,875,598,407.74 = 137,889,762,345.46 : x
  2. Step 2: Convert to fraction form
    252,077,754,472.12/347,875,598,407.74 = 137,889,762,345.46/x
  3. Step 3: Cross multiply
    252,077,754,472.12x = 347,875,598,407.74 × 137,889,762,345.46
  4. Step 4: Simplify right side
    252,077,754,472.12x = 47,968,483,590,227,944,800,256
  5. Step 5: Solve for x
    x = 47,968,483,590,227,944,800,256/252,077,754,472.12
  6. Step 6: Final answer
    x = 190,292,410,731.28

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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.