Home / 1,211,285,001.40-1,815,652,043.70-474,070,046.20

Finding the Fourth Proportional to 1,211,285,001.40, 1,815,652,043.70 and 474,070,046.20

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Solution

The fourth proportional to 1,211,285,001.40, 1,815,652,043.70 and 474,070,046.20 is: 710,605,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,285,001.40 : 1,815,652,043.70 = 474,070,046.20 : x
  2. Step 2: Convert to fraction form
    1,211,285,001.40/1,815,652,043.70 = 474,070,046.20/x
  3. Step 3: Cross multiply
    1,211,285,001.40x = 1,815,652,043.70 × 474,070,046.20
  4. Step 4: Simplify right side
    1,211,285,001.40x = 860,746,248,239,983,360
  5. Step 5: Solve for x
    x = 860,746,248,239,983,360/1,211,285,001.40
  6. Step 6: Final answer
    x = 710,605,883.21

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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.