Home / 860,357,306.48-1,285,638,177.06-646,004,295.14

Finding the Fourth Proportional to 860,357,306.48, 1,285,638,177.06 and 646,004,295.14

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Solution

The fourth proportional to 860,357,306.48, 1,285,638,177.06 and 646,004,295.14 is: 965,328,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,357,306.48 : 1,285,638,177.06 = 646,004,295.14 : x
  2. Step 2: Convert to fraction form
    860,357,306.48/1,285,638,177.06 = 646,004,295.14/x
  3. Step 3: Cross multiply
    860,357,306.48x = 1,285,638,177.06 × 646,004,295.14
  4. Step 4: Simplify right side
    860,357,306.48x = 830,527,784,370,291,584
  5. Step 5: Solve for x
    x = 830,527,784,370,291,584/860,357,306.48
  6. Step 6: Final answer
    x = 965,328,914.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.