Home / 557,638,477.20-836,457,715.80-194,011,981.20

Finding the Fourth Proportional to 557,638,477.20, 836,457,715.80 and 194,011,981.20

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Solution

The fourth proportional to 557,638,477.20, 836,457,715.80 and 194,011,981.20 is: 291,017,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,638,477.20 : 836,457,715.80 = 194,011,981.20 : x
  2. Step 2: Convert to fraction form
    557,638,477.20/836,457,715.80 = 194,011,981.20/x
  3. Step 3: Cross multiply
    557,638,477.20x = 836,457,715.80 × 194,011,981.20
  4. Step 4: Simplify right side
    557,638,477.20x = 162,282,818,632,384,512
  5. Step 5: Solve for x
    x = 162,282,818,632,384,512/557,638,477.20
  6. Step 6: Final answer
    x = 291,017,971.80

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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.