Home / 897,077,995.03-1,237,967,879.84-495,191,988.19

Finding the Fourth Proportional to 897,077,995.03, 1,237,967,879.84 and 495,191,988.19

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Solution

The fourth proportional to 897,077,995.03, 1,237,967,879.84 and 495,191,988.19 is: 683,365,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,077,995.03 : 1,237,967,879.84 = 495,191,988.19 : x
  2. Step 2: Convert to fraction form
    897,077,995.03/1,237,967,879.84 = 495,191,988.19/x
  3. Step 3: Cross multiply
    897,077,995.03x = 1,237,967,879.84 × 495,191,988.19
  4. Step 4: Simplify right side
    897,077,995.03x = 613,031,775,733,328,512
  5. Step 5: Solve for x
    x = 613,031,775,733,328,512/897,077,995.03
  6. Step 6: Final answer
    x = 683,365,079.88

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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.