Home / 666,698,117.92-919,956,152.96-384,450,983.44

Finding the Fourth Proportional to 666,698,117.92, 919,956,152.96 and 384,450,983.44

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Solution

The fourth proportional to 666,698,117.92, 919,956,152.96 and 384,450,983.44 is: 530,492,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,698,117.92 : 919,956,152.96 = 384,450,983.44 : x
  2. Step 2: Convert to fraction form
    666,698,117.92/919,956,152.96 = 384,450,983.44/x
  3. Step 3: Cross multiply
    666,698,117.92x = 919,956,152.96 × 384,450,983.44
  4. Step 4: Simplify right side
    666,698,117.92x = 353,678,047,727,151,104
  5. Step 5: Solve for x
    x = 353,678,047,727,151,104/666,698,117.92
  6. Step 6: Final answer
    x = 530,492,044.63

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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.