Home / 1,814,579,813.80-2,721,869,720.70-522,115,301.80

Finding the Fourth Proportional to 1,814,579,813.80, 2,721,869,720.70 and 522,115,301.80

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Solution

The fourth proportional to 1,814,579,813.80, 2,721,869,720.70 and 522,115,301.80 is: 783,172,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,579,813.80 : 2,721,869,720.70 = 522,115,301.80 : x
  2. Step 2: Convert to fraction form
    1,814,579,813.80/2,721,869,720.70 = 522,115,301.80/x
  3. Step 3: Cross multiply
    1,814,579,813.80x = 2,721,869,720.70 × 522,115,301.80
  4. Step 4: Simplify right side
    1,814,579,813.80x = 1,421,129,830,683,562,240
  5. Step 5: Solve for x
    x = 1,421,129,830,683,562,240/1,814,579,813.80
  6. Step 6: Final answer
    x = 783,172,952.70

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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.