Home / 867,070,091.53-1,196,557,881.47-470,593,081.23

Finding the Fourth Proportional to 867,070,091.53, 1,196,557,881.47 and 470,593,081.23

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Solution

The fourth proportional to 867,070,091.53, 1,196,557,881.47 and 470,593,081.23 is: 649,419,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,070,091.53 : 1,196,557,881.47 = 470,593,081.23 : x
  2. Step 2: Convert to fraction form
    867,070,091.53/1,196,557,881.47 = 470,593,081.23/x
  3. Step 3: Cross multiply
    867,070,091.53x = 1,196,557,881.47 × 470,593,081.23
  4. Step 4: Simplify right side
    867,070,091.53x = 563,091,860,311,008,448
  5. Step 5: Solve for x
    x = 563,091,860,311,008,448/867,070,091.53
  6. Step 6: Final answer
    x = 649,419,079.05

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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.