Home / 873,176,323.80-1,307,851,298.10-776,241,485.40

Finding the Fourth Proportional to 873,176,323.80, 1,307,851,298.10 and 776,241,485.40

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Solution

The fourth proportional to 873,176,323.80, 1,307,851,298.10 and 776,241,485.40 is: 1,162,661,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,176,323.80 : 1,307,851,298.10 = 776,241,485.40 : x
  2. Step 2: Convert to fraction form
    873,176,323.80/1,307,851,298.10 = 776,241,485.40/x
  3. Step 3: Cross multiply
    873,176,323.80x = 1,307,851,298.10 × 776,241,485.40
  4. Step 4: Simplify right side
    873,176,323.80x = 1,015,208,434,319,462,144
  5. Step 5: Solve for x
    x = 1,015,208,434,319,462,144/873,176,323.80
  6. Step 6: Final answer
    x = 1,162,661,431.20

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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.