Home / 1,209,154,856,372.70-1,813,739,064,417.70-403,319,585,331.60

Finding the Fourth Proportional to 1,209,154,856,372.70, 1,813,739,064,417.70 and 403,319,585,331.60

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Solution

The fourth proportional to 1,209,154,856,372.70, 1,813,739,064,417.70 and 403,319,585,331.60 is: 604,981,639,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,154,856,372.70 : 1,813,739,064,417.70 = 403,319,585,331.60 : x
  2. Step 2: Convert to fraction form
    1,209,154,856,372.70/1,813,739,064,417.70 = 403,319,585,331.60/x
  3. Step 3: Cross multiply
    1,209,154,856,372.70x = 1,813,739,064,417.70 × 403,319,585,331.60
  4. Step 4: Simplify right side
    1,209,154,856,372.70x = 731,516,487,360,670,850,875,392
  5. Step 5: Solve for x
    x = 731,516,487,360,670,850,875,392/1,209,154,856,372.70
  6. Step 6: Final answer
    x = 604,981,639,452.80

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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.