Home / 1,345,152,369.60-2,017,728,554.40-619,558,257.60

Finding the Fourth Proportional to 1,345,152,369.60, 2,017,728,554.40 and 619,558,257.60

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Solution

The fourth proportional to 1,345,152,369.60, 2,017,728,554.40 and 619,558,257.60 is: 929,337,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,152,369.60 : 2,017,728,554.40 = 619,558,257.60 : x
  2. Step 2: Convert to fraction form
    1,345,152,369.60/2,017,728,554.40 = 619,558,257.60/x
  3. Step 3: Cross multiply
    1,345,152,369.60x = 2,017,728,554.40 × 619,558,257.60
  4. Step 4: Simplify right side
    1,345,152,369.60x = 1,250,100,387,473,830,912
  5. Step 5: Solve for x
    x = 1,250,100,387,473,830,912/1,345,152,369.60
  6. Step 6: Final answer
    x = 929,337,386.40

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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.