Home / 1,019,685,496,178.30-1,407,158,699,154.60-556,712,519,582.80

Finding the Fourth Proportional to 1,019,685,496,178.30, 1,407,158,699,154.60 and 556,712,519,582.80

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Solution

The fourth proportional to 1,019,685,496,178.30, 1,407,158,699,154.60 and 556,712,519,582.80 is: 768,259,299,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,685,496,178.30 : 1,407,158,699,154.60 = 556,712,519,582.80 : x
  2. Step 2: Convert to fraction form
    1,019,685,496,178.30/1,407,158,699,154.60 = 556,712,519,582.80/x
  3. Step 3: Cross multiply
    1,019,685,496,178.30x = 1,407,158,699,154.60 × 556,712,519,582.80
  4. Step 4: Simplify right side
    1,019,685,496,178.30x = 783,382,864,859,212,762,054,656
  5. Step 5: Solve for x
    x = 783,382,864,859,212,762,054,656/1,019,685,496,178.30
  6. Step 6: Final answer
    x = 768,259,299,357.76

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.