Home / 1,262,308,040.40-1,893,462,060.60-711,310,011.60

Finding the Fourth Proportional to 1,262,308,040.40, 1,893,462,060.60 and 711,310,011.60

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Solution

The fourth proportional to 1,262,308,040.40, 1,893,462,060.60 and 711,310,011.60 is: 1,066,965,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,308,040.40 : 1,893,462,060.60 = 711,310,011.60 : x
  2. Step 2: Convert to fraction form
    1,262,308,040.40/1,893,462,060.60 = 711,310,011.60/x
  3. Step 3: Cross multiply
    1,262,308,040.40x = 1,893,462,060.60 × 711,310,011.60
  4. Step 4: Simplify right side
    1,262,308,040.40x = 1,346,838,520,289,545,984
  5. Step 5: Solve for x
    x = 1,346,838,520,289,545,984/1,262,308,040.40
  6. Step 6: Final answer
    x = 1,066,965,017.40

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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.