Home / 1,237,155,547.60-1,855,733,321.40-460,640,530.45

Finding the Fourth Proportional to 1,237,155,547.60, 1,855,733,321.40 and 460,640,530.45

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Solution

The fourth proportional to 1,237,155,547.60, 1,855,733,321.40 and 460,640,530.45 is: 690,960,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,155,547.60 : 1,855,733,321.40 = 460,640,530.45 : x
  2. Step 2: Convert to fraction form
    1,237,155,547.60/1,855,733,321.40 = 460,640,530.45/x
  3. Step 3: Cross multiply
    1,237,155,547.60x = 1,855,733,321.40 × 460,640,530.45
  4. Step 4: Simplify right side
    1,237,155,547.60x = 854,825,981,543,436,416
  5. Step 5: Solve for x
    x = 854,825,981,543,436,416/1,237,155,547.60
  6. Step 6: Final answer
    x = 690,960,795.68

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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.