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Finding the Fourth Proportional to 1,771,471,985.40, 2,657,207,978.10 and 606,553,313.40

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Solution

The fourth proportional to 1,771,471,985.40, 2,657,207,978.10 and 606,553,313.40 is: 909,829,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,471,985.40 : 2,657,207,978.10 = 606,553,313.40 : x
  2. Step 2: Convert to fraction form
    1,771,471,985.40/2,657,207,978.10 = 606,553,313.40/x
  3. Step 3: Cross multiply
    1,771,471,985.40x = 2,657,207,978.10 × 606,553,313.40
  4. Step 4: Simplify right side
    1,771,471,985.40x = 1,611,738,303,509,469,440
  5. Step 5: Solve for x
    x = 1,611,738,303,509,469,440/1,771,471,985.40
  6. Step 6: Final answer
    x = 909,829,970.10

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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.