Home / 882,692,289.09-1,218,100,477.32-486,252,362.61

Finding the Fourth Proportional to 882,692,289.09, 1,218,100,477.32 and 486,252,362.61

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Solution

The fourth proportional to 882,692,289.09, 1,218,100,477.32 and 486,252,362.61 is: 671,020,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,692,289.09 : 1,218,100,477.32 = 486,252,362.61 : x
  2. Step 2: Convert to fraction form
    882,692,289.09/1,218,100,477.32 = 486,252,362.61/x
  3. Step 3: Cross multiply
    882,692,289.09x = 1,218,100,477.32 × 486,252,362.61
  4. Step 4: Simplify right side
    882,692,289.09x = 592,304,234,993,218,688
  5. Step 5: Solve for x
    x = 592,304,234,993,218,688/882,692,289.09
  6. Step 6: Final answer
    x = 671,020,062.50

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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.