Home / 663,984,000.30-995,976,000.45-434,660,429.10

Finding the Fourth Proportional to 663,984,000.30, 995,976,000.45 and 434,660,429.10

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Solution

The fourth proportional to 663,984,000.30, 995,976,000.45 and 434,660,429.10 is: 651,990,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,984,000.30 : 995,976,000.45 = 434,660,429.10 : x
  2. Step 2: Convert to fraction form
    663,984,000.30/995,976,000.45 = 434,660,429.10/x
  3. Step 3: Cross multiply
    663,984,000.30x = 995,976,000.45 × 434,660,429.10
  4. Step 4: Simplify right side
    663,984,000.30x = 432,911,355,728,898,816
  5. Step 5: Solve for x
    x = 432,911,355,728,898,816/663,984,000.30
  6. Step 6: Final answer
    x = 651,990,643.65

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Double scale
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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.