Home / 1,091,925,304.80-1,637,887,957.20-354,993,784.80

Finding the Fourth Proportional to 1,091,925,304.80, 1,637,887,957.20 and 354,993,784.80

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Solution

The fourth proportional to 1,091,925,304.80, 1,637,887,957.20 and 354,993,784.80 is: 532,490,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,925,304.80 : 1,637,887,957.20 = 354,993,784.80 : x
  2. Step 2: Convert to fraction form
    1,091,925,304.80/1,637,887,957.20 = 354,993,784.80/x
  3. Step 3: Cross multiply
    1,091,925,304.80x = 1,637,887,957.20 × 354,993,784.80
  4. Step 4: Simplify right side
    1,091,925,304.80x = 581,440,045,004,768,384
  5. Step 5: Solve for x
    x = 581,440,045,004,768,384/1,091,925,304.80
  6. Step 6: Final answer
    x = 532,490,677.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.