Home / 1,025,270,445.66-1,414,880,008.34-555,371,766.63

Finding the Fourth Proportional to 1,025,270,445.66, 1,414,880,008.34 and 555,371,766.63

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Solution

The fourth proportional to 1,025,270,445.66, 1,414,880,008.34 and 555,371,766.63 is: 766,416,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,270,445.66 : 1,414,880,008.34 = 555,371,766.63 : x
  2. Step 2: Convert to fraction form
    1,025,270,445.66/1,414,880,008.34 = 555,371,766.63/x
  3. Step 3: Cross multiply
    1,025,270,445.66x = 1,414,880,008.34 × 555,371,766.63
  4. Step 4: Simplify right side
    1,025,270,445.66x = 785,784,409,798,478,080
  5. Step 5: Solve for x
    x = 785,784,409,798,478,080/1,025,270,445.66
  6. Step 6: Final answer
    x = 766,416,717.78

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Double scale
Find fourth proportional to 1,025,270,446.66, 1,414,880,009.72 and 555,371,767.63
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1.5x scale

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.