Home / 806,796,536.40-1,210,194,804.60-692,005,280.40

Finding the Fourth Proportional to 806,796,536.40, 1,210,194,804.60 and 692,005,280.40

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Solution

The fourth proportional to 806,796,536.40, 1,210,194,804.60 and 692,005,280.40 is: 1,038,007,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,796,536.40 : 1,210,194,804.60 = 692,005,280.40 : x
  2. Step 2: Convert to fraction form
    806,796,536.40/1,210,194,804.60 = 692,005,280.40/x
  3. Step 3: Cross multiply
    806,796,536.40x = 1,210,194,804.60 × 692,005,280.40
  4. Step 4: Simplify right side
    806,796,536.40x = 837,461,195,095,846,144
  5. Step 5: Solve for x
    x = 837,461,195,095,846,144/806,796,536.40
  6. Step 6: Final answer
    x = 1,038,007,920.60

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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.