Home / 1,211,507,192.54-1,671,879,928.93-654,590,239.61

Finding the Fourth Proportional to 1,211,507,192.54, 1,671,879,928.93 and 654,590,239.61

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Solution

The fourth proportional to 1,211,507,192.54, 1,671,879,928.93 and 654,590,239.61 is: 903,334,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,507,192.54 : 1,671,879,928.93 = 654,590,239.61 : x
  2. Step 2: Convert to fraction form
    1,211,507,192.54/1,671,879,928.93 = 654,590,239.61/x
  3. Step 3: Cross multiply
    1,211,507,192.54x = 1,671,879,928.93 × 654,590,239.61
  4. Step 4: Simplify right side
    1,211,507,192.54x = 1,094,396,283,267,442,688
  5. Step 5: Solve for x
    x = 1,094,396,283,267,442,688/1,211,507,192.54
  6. Step 6: Final answer
    x = 903,334,532.39

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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.