Home / 355,572,098,461.20-490,688,258,594.32-192,991,743,940.35

Finding the Fourth Proportional to 355,572,098,461.20, 490,688,258,594.32 and 192,991,743,940.35

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Solution

The fourth proportional to 355,572,098,461.20, 490,688,258,594.32 and 192,991,743,940.35 is: 266,327,935,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,572,098,461.20 : 490,688,258,594.32 = 192,991,743,940.35 : x
  2. Step 2: Convert to fraction form
    355,572,098,461.20/490,688,258,594.32 = 192,991,743,940.35/x
  3. Step 3: Cross multiply
    355,572,098,461.20x = 490,688,258,594.32 × 192,991,743,940.35
  4. Step 4: Simplify right side
    355,572,098,461.20x = 94,698,782,757,171,247,448,064
  5. Step 5: Solve for x
    x = 94,698,782,757,171,247,448,064/355,572,098,461.20
  6. Step 6: Final answer
    x = 266,327,935,085.45

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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.