Home / 1,120,347,868.10-1,680,521,802.15-569,349,839.30

Finding the Fourth Proportional to 1,120,347,868.10, 1,680,521,802.15 and 569,349,839.30

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Solution

The fourth proportional to 1,120,347,868.10, 1,680,521,802.15 and 569,349,839.30 is: 854,024,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,347,868.10 : 1,680,521,802.15 = 569,349,839.30 : x
  2. Step 2: Convert to fraction form
    1,120,347,868.10/1,680,521,802.15 = 569,349,839.30/x
  3. Step 3: Cross multiply
    1,120,347,868.10x = 1,680,521,802.15 × 569,349,839.30
  4. Step 4: Simplify right side
    1,120,347,868.10x = 956,804,817,994,248,832
  5. Step 5: Solve for x
    x = 956,804,817,994,248,832/1,120,347,868.10
  6. Step 6: Final answer
    x = 854,024,758.95

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Double scale
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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.