Home / 1,685,558,903.80-2,528,338,355.70-441,986,963.80

Finding the Fourth Proportional to 1,685,558,903.80, 2,528,338,355.70 and 441,986,963.80

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Solution

The fourth proportional to 1,685,558,903.80, 2,528,338,355.70 and 441,986,963.80 is: 662,980,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,558,903.80 : 2,528,338,355.70 = 441,986,963.80 : x
  2. Step 2: Convert to fraction form
    1,685,558,903.80/2,528,338,355.70 = 441,986,963.80/x
  3. Step 3: Cross multiply
    1,685,558,903.80x = 2,528,338,355.70 × 441,986,963.80
  4. Step 4: Simplify right side
    1,685,558,903.80x = 1,117,492,593,294,927,360
  5. Step 5: Solve for x
    x = 1,117,492,593,294,927,360/1,685,558,903.80
  6. Step 6: Final answer
    x = 662,980,445.70

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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.