Home / 827,111,075.04-1,141,361,999.28-455,812,362.72

Finding the Fourth Proportional to 827,111,075.04, 1,141,361,999.28 and 455,812,362.72

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Solution

The fourth proportional to 827,111,075.04, 1,141,361,999.28 and 455,812,362.72 is: 628,992,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,111,075.04 : 1,141,361,999.28 = 455,812,362.72 : x
  2. Step 2: Convert to fraction form
    827,111,075.04/1,141,361,999.28 = 455,812,362.72/x
  3. Step 3: Cross multiply
    827,111,075.04x = 1,141,361,999.28 × 455,812,362.72
  4. Step 4: Simplify right side
    827,111,075.04x = 520,246,909,610,639,744
  5. Step 5: Solve for x
    x = 520,246,909,610,639,744/827,111,075.04
  6. Step 6: Final answer
    x = 628,992,798.32

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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.