Home / 1,225,281,698.48-1,690,899,534.96-668,367,222.32

Finding the Fourth Proportional to 1,225,281,698.48, 1,690,899,534.96 and 668,367,222.32

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Solution

The fourth proportional to 1,225,281,698.48, 1,690,899,534.96 and 668,367,222.32 is: 922,352,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,281,698.48 : 1,690,899,534.96 = 668,367,222.32 : x
  2. Step 2: Convert to fraction form
    1,225,281,698.48/1,690,899,534.96 = 668,367,222.32/x
  3. Step 3: Cross multiply
    1,225,281,698.48x = 1,690,899,534.96 × 668,367,222.32
  4. Step 4: Simplify right side
    1,225,281,698.48x = 1,130,141,825,403,395,072
  5. Step 5: Solve for x
    x = 1,130,141,825,403,395,072/1,225,281,698.48
  6. Step 6: Final answer
    x = 922,352,653.11

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Double scale
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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.