Home / 830,890,031.80-1,246,335,047.70-346,152,854.20

Finding the Fourth Proportional to 830,890,031.80, 1,246,335,047.70 and 346,152,854.20

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Solution

The fourth proportional to 830,890,031.80, 1,246,335,047.70 and 346,152,854.20 is: 519,229,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,890,031.80 : 1,246,335,047.70 = 346,152,854.20 : x
  2. Step 2: Convert to fraction form
    830,890,031.80/1,246,335,047.70 = 346,152,854.20/x
  3. Step 3: Cross multiply
    830,890,031.80x = 1,246,335,047.70 × 346,152,854.20
  4. Step 4: Simplify right side
    830,890,031.80x = 431,422,434,050,848,128
  5. Step 5: Solve for x
    x = 431,422,434,050,848,128/830,890,031.80
  6. Step 6: Final answer
    x = 519,229,281.30

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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.