Home / 1,268,208,001.80-1,902,312,002.70-579,460,465.80

Finding the Fourth Proportional to 1,268,208,001.80, 1,902,312,002.70 and 579,460,465.80

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Solution

The fourth proportional to 1,268,208,001.80, 1,902,312,002.70 and 579,460,465.80 is: 869,190,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,208,001.80 : 1,902,312,002.70 = 579,460,465.80 : x
  2. Step 2: Convert to fraction form
    1,268,208,001.80/1,902,312,002.70 = 579,460,465.80/x
  3. Step 3: Cross multiply
    1,268,208,001.80x = 1,902,312,002.70 × 579,460,465.80
  4. Step 4: Simplify right side
    1,268,208,001.80x = 1,102,314,599,181,472,768
  5. Step 5: Solve for x
    x = 1,102,314,599,181,472,768/1,268,208,001.80
  6. Step 6: Final answer
    x = 869,190,698.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.