Home / 1,687,338,813.40-2,531,008,220.10-460,631,267.80

Finding the Fourth Proportional to 1,687,338,813.40, 2,531,008,220.10 and 460,631,267.80

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Solution

The fourth proportional to 1,687,338,813.40, 2,531,008,220.10 and 460,631,267.80 is: 690,946,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,338,813.40 : 2,531,008,220.10 = 460,631,267.80 : x
  2. Step 2: Convert to fraction form
    1,687,338,813.40/2,531,008,220.10 = 460,631,267.80/x
  3. Step 3: Cross multiply
    1,687,338,813.40x = 2,531,008,220.10 × 460,631,267.80
  4. Step 4: Simplify right side
    1,687,338,813.40x = 1,165,861,525,236,884,480
  5. Step 5: Solve for x
    x = 1,165,861,525,236,884,480/1,687,338,813.40
  6. Step 6: Final answer
    x = 690,946,901.70

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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.