Home / 977,069,919.70-1,465,604,879.55-330,837,663.70

Finding the Fourth Proportional to 977,069,919.70, 1,465,604,879.55 and 330,837,663.70

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Solution

The fourth proportional to 977,069,919.70, 1,465,604,879.55 and 330,837,663.70 is: 496,256,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,069,919.70 : 1,465,604,879.55 = 330,837,663.70 : x
  2. Step 2: Convert to fraction form
    977,069,919.70/1,465,604,879.55 = 330,837,663.70/x
  3. Step 3: Cross multiply
    977,069,919.70x = 1,465,604,879.55 × 330,837,663.70
  4. Step 4: Simplify right side
    977,069,919.70x = 484,877,294,257,641,856
  5. Step 5: Solve for x
    x = 484,877,294,257,641,856/977,069,919.70
  6. Step 6: Final answer
    x = 496,256,495.55

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Double scale
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Similar ratio
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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.