Home / 1,030,900,902.76-1,422,643,477.86-567,326,886.76

Finding the Fourth Proportional to 1,030,900,902.76, 1,422,643,477.86 and 567,326,886.76

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Solution

The fourth proportional to 1,030,900,902.76, 1,422,643,477.86 and 567,326,886.76 is: 782,911,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,900,902.76 : 1,422,643,477.86 = 567,326,886.76 : x
  2. Step 2: Convert to fraction form
    1,030,900,902.76/1,422,643,477.86 = 567,326,886.76/x
  3. Step 3: Cross multiply
    1,030,900,902.76x = 1,422,643,477.86 × 567,326,886.76
  4. Step 4: Simplify right side
    1,030,900,902.76x = 807,103,895,263,732,736
  5. Step 5: Solve for x
    x = 807,103,895,263,732,736/1,030,900,902.76
  6. Step 6: Final answer
    x = 782,911,231.43

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Half scale
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Double scale
Find fourth proportional to 1,030,900,903.76, 1,422,643,479.24 and 567,326,887.76
Similar ratio
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1.5x scale

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.