Home / 39,292,613,998.80-58,938,920,998.20-19,656,223,342.80

Finding the Fourth Proportional to 39,292,613,998.80, 58,938,920,998.20 and 19,656,223,342.80

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Solution

The fourth proportional to 39,292,613,998.80, 58,938,920,998.20 and 19,656,223,342.80 is: 29,484,335,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292,613,998.80 : 58,938,920,998.20 = 19,656,223,342.80 : x
  2. Step 2: Convert to fraction form
    39,292,613,998.80/58,938,920,998.20 = 19,656,223,342.80/x
  3. Step 3: Cross multiply
    39,292,613,998.80x = 58,938,920,998.20 × 19,656,223,342.80
  4. Step 4: Simplify right side
    39,292,613,998.80x = 1,158,516,594,724,263,821,312
  5. Step 5: Solve for x
    x = 1,158,516,594,724,263,821,312/39,292,613,998.80
  6. Step 6: Final answer
    x = 29,484,335,014.20

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Double scale
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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.