Home / 830,890,030.80-1,246,335,046.20-346,152,853.20

Finding the Fourth Proportional to 830,890,030.80, 1,246,335,046.20 and 346,152,853.20

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Solution

The fourth proportional to 830,890,030.80, 1,246,335,046.20 and 346,152,853.20 is: 519,229,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,890,030.80 : 1,246,335,046.20 = 346,152,853.20 : x
  2. Step 2: Convert to fraction form
    830,890,030.80/1,246,335,046.20 = 346,152,853.20/x
  3. Step 3: Cross multiply
    830,890,030.80x = 1,246,335,046.20 × 346,152,853.20
  4. Step 4: Simplify right side
    830,890,030.80x = 431,422,432,285,283,840
  5. Step 5: Solve for x
    x = 431,422,432,285,283,840/830,890,030.80
  6. Step 6: Final answer
    x = 519,229,279.80

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Double scale
Find fourth proportional to 830,890,031.80, 1,246,335,047.70 and 346,152,854.20
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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.