Home / 1,000,869,288.84-1,381,199,588.67-554,831,521.84

Finding the Fourth Proportional to 1,000,869,288.84, 1,381,199,588.67 and 554,831,521.84

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Solution

The fourth proportional to 1,000,869,288.84, 1,381,199,588.67 and 554,831,521.84 is: 765,667,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,869,288.84 : 1,381,199,588.67 = 554,831,521.84 : x
  2. Step 2: Convert to fraction form
    1,000,869,288.84/1,381,199,588.67 = 554,831,521.84/x
  3. Step 3: Cross multiply
    1,000,869,288.84x = 1,381,199,588.67 × 554,831,521.84
  4. Step 4: Simplify right side
    1,000,869,288.84x = 766,333,069,743,105,152
  5. Step 5: Solve for x
    x = 766,333,069,743,105,152/1,000,869,288.84
  6. Step 6: Final answer
    x = 765,667,483.54

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Double scale
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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.