Home / 1,020,236,215.10-1,530,354,322.65-503,675,563.10

Finding the Fourth Proportional to 1,020,236,215.10, 1,530,354,322.65 and 503,675,563.10

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Solution

The fourth proportional to 1,020,236,215.10, 1,530,354,322.65 and 503,675,563.10 is: 755,513,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,236,215.10 : 1,530,354,322.65 = 503,675,563.10 : x
  2. Step 2: Convert to fraction form
    1,020,236,215.10/1,530,354,322.65 = 503,675,563.10/x
  3. Step 3: Cross multiply
    1,020,236,215.10x = 1,530,354,322.65 × 503,675,563.10
  4. Step 4: Simplify right side
    1,020,236,215.10x = 770,802,075,203,257,856
  5. Step 5: Solve for x
    x = 770,802,075,203,257,856/1,020,236,215.10
  6. Step 6: Final answer
    x = 755,513,344.65

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Half scale
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Double scale
Find fourth proportional to 1,020,236,216.10, 1,530,354,324.15 and 503,675,564.10
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.