Home / 661,060,900.18-911,747,653.45-410,024,530.18

Finding the Fourth Proportional to 661,060,900.18, 911,747,653.45 and 410,024,530.18

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Solution

The fourth proportional to 661,060,900.18, 911,747,653.45 and 410,024,530.18 is: 565,513,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,060,900.18 : 911,747,653.45 = 410,024,530.18 : x
  2. Step 2: Convert to fraction form
    661,060,900.18/911,747,653.45 = 410,024,530.18/x
  3. Step 3: Cross multiply
    661,060,900.18x = 911,747,653.45 × 410,024,530.18
  4. Step 4: Simplify right side
    661,060,900.18x = 373,838,903,248,553,728
  5. Step 5: Solve for x
    x = 373,838,903,248,553,728/661,060,900.18
  6. Step 6: Final answer
    x = 565,513,560.32

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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.