Home / 697,936,220.64-963,157,845.06-384,671,234.88

Finding the Fourth Proportional to 697,936,220.64, 963,157,845.06 and 384,671,234.88

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Solution

The fourth proportional to 697,936,220.64, 963,157,845.06 and 384,671,234.88 is: 530,849,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,220.64 : 963,157,845.06 = 384,671,234.88 : x
  2. Step 2: Convert to fraction form
    697,936,220.64/963,157,845.06 = 384,671,234.88/x
  3. Step 3: Cross multiply
    697,936,220.64x = 963,157,845.06 × 384,671,234.88
  4. Step 4: Simplify right side
    697,936,220.64x = 370,499,117,643,589,888
  5. Step 5: Solve for x
    x = 370,499,117,643,589,888/697,936,220.64
  6. Step 6: Final answer
    x = 530,849,534.22

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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.