Home / 2,116,389,382.52-2,920,803,444.09-1,163,937,978.28

Finding the Fourth Proportional to 2,116,389,382.52, 2,920,803,444.09 and 1,163,937,978.28

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Solution

The fourth proportional to 2,116,389,382.52, 2,920,803,444.09 and 1,163,937,978.28 is: 1,606,336,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,389,382.52 : 2,920,803,444.09 = 1,163,937,978.28 : x
  2. Step 2: Convert to fraction form
    2,116,389,382.52/2,920,803,444.09 = 1,163,937,978.28/x
  3. Step 3: Cross multiply
    2,116,389,382.52x = 2,920,803,444.09 × 1,163,937,978.28
  4. Step 4: Simplify right side
    2,116,389,382.52x = 3,399,634,055,668,021,248
  5. Step 5: Solve for x
    x = 3,399,634,055,668,021,248/2,116,389,382.52
  6. Step 6: Final answer
    x = 1,606,336,756.24

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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.