Home / 688,856,864.84-1,033,769,493.10-622,995,381.32

Finding the Fourth Proportional to 688,856,864.84, 1,033,769,493.10 and 622,995,381.32

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Solution

The fourth proportional to 688,856,864.84, 1,033,769,493.10 and 622,995,381.32 is: 934,930,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,856,864.84 : 1,033,769,493.10 = 622,995,381.32 : x
  2. Step 2: Convert to fraction form
    688,856,864.84/1,033,769,493.10 = 622,995,381.32/x
  3. Step 3: Cross multiply
    688,856,864.84x = 1,033,769,493.10 × 622,995,381.32
  4. Step 4: Simplify right side
    688,856,864.84x = 644,033,619,550,817,664
  5. Step 5: Solve for x
    x = 644,033,619,550,817,664/688,856,864.84
  6. Step 6: Final answer
    x = 934,930,973.94

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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.