Home / 1,120,347,869.10-1,680,521,803.65-569,349,840.30

Finding the Fourth Proportional to 1,120,347,869.10, 1,680,521,803.65 and 569,349,840.30

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Solution

The fourth proportional to 1,120,347,869.10, 1,680,521,803.65 and 569,349,840.30 is: 854,024,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,347,869.10 : 1,680,521,803.65 = 569,349,840.30 : x
  2. Step 2: Convert to fraction form
    1,120,347,869.10/1,680,521,803.65 = 569,349,840.30/x
  3. Step 3: Cross multiply
    1,120,347,869.10x = 1,680,521,803.65 × 569,349,840.30
  4. Step 4: Simplify right side
    1,120,347,869.10x = 956,804,820,528,795,392
  5. Step 5: Solve for x
    x = 956,804,820,528,795,392/1,120,347,869.10
  6. Step 6: Final answer
    x = 854,024,760.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.