Home / 1,362,878,707.46-1,880,768,898.88-760,049,985.28

Finding the Fourth Proportional to 1,362,878,707.46, 1,880,768,898.88 and 760,049,985.28

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Solution

The fourth proportional to 1,362,878,707.46, 1,880,768,898.88 and 760,049,985.28 is: 1,048,866,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,878,707.46 : 1,880,768,898.88 = 760,049,985.28 : x
  2. Step 2: Convert to fraction form
    1,362,878,707.46/1,880,768,898.88 = 760,049,985.28/x
  3. Step 3: Cross multiply
    1,362,878,707.46x = 1,880,768,898.88 × 760,049,985.28
  4. Step 4: Simplify right side
    1,362,878,707.46x = 1,429,478,373,908,825,856
  5. Step 5: Solve for x
    x = 1,429,478,373,908,825,856/1,362,878,707.46
  6. Step 6: Final answer
    x = 1,048,866,906.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.