Home / 621,475,255,382.85-857,626,725,159.10-347,124,911,626.48

Finding the Fourth Proportional to 621,475,255,382.85, 857,626,725,159.10 and 347,124,911,626.48

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Solution

The fourth proportional to 621,475,255,382.85, 857,626,725,159.10 and 347,124,911,626.48 is: 479,027,280,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,475,255,382.85 : 857,626,725,159.10 = 347,124,911,626.48 : x
  2. Step 2: Convert to fraction form
    621,475,255,382.85/857,626,725,159.10 = 347,124,911,626.48/x
  3. Step 3: Cross multiply
    621,475,255,382.85x = 857,626,725,159.10 × 347,124,911,626.48
  4. Step 4: Simplify right side
    621,475,255,382.85x = 297,703,601,179,360,028,000,256
  5. Step 5: Solve for x
    x = 297,703,601,179,360,028,000,256/621,475,255,382.85
  6. Step 6: Final answer
    x = 479,027,280,009.67

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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.