Home / 3,117,153,879.42-4,301,670,994.36-1,688,225,051.58

Finding the Fourth Proportional to 3,117,153,879.42, 4,301,670,994.36 and 1,688,225,051.58

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Solution

The fourth proportional to 3,117,153,879.42, 4,301,670,994.36 and 1,688,225,051.58 is: 2,329,749,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,153,879.42 : 4,301,670,994.36 = 1,688,225,051.58 : x
  2. Step 2: Convert to fraction form
    3,117,153,879.42/4,301,670,994.36 = 1,688,225,051.58/x
  3. Step 3: Cross multiply
    3,117,153,879.42x = 4,301,670,994.36 × 1,688,225,051.58
  4. Step 4: Simplify right side
    3,117,153,879.42x = 7,262,188,736,333,599,744
  5. Step 5: Solve for x
    x = 7,262,188,736,333,599,744/3,117,153,879.42
  6. Step 6: Final answer
    x = 2,329,749,835.03

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1.5x scale

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.