Home / 890,841,985.20-1,336,262,977.80-600,604,340.40

Finding the Fourth Proportional to 890,841,985.20, 1,336,262,977.80 and 600,604,340.40

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Solution

The fourth proportional to 890,841,985.20, 1,336,262,977.80 and 600,604,340.40 is: 900,906,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,841,985.20 : 1,336,262,977.80 = 600,604,340.40 : x
  2. Step 2: Convert to fraction form
    890,841,985.20/1,336,262,977.80 = 600,604,340.40/x
  3. Step 3: Cross multiply
    890,841,985.20x = 1,336,262,977.80 × 600,604,340.40
  4. Step 4: Simplify right side
    890,841,985.20x = 802,565,344,382,508,800
  5. Step 5: Solve for x
    x = 802,565,344,382,508,800/890,841,985.20
  6. Step 6: Final answer
    x = 900,906,510.60

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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.