Home / 913,505,771.16-1,260,634,785.48-495,818,055.36

Finding the Fourth Proportional to 913,505,771.16, 1,260,634,785.48 and 495,818,055.36

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Solution

The fourth proportional to 913,505,771.16, 1,260,634,785.48 and 495,818,055.36 is: 684,227,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,505,771.16 : 1,260,634,785.48 = 495,818,055.36 : x
  2. Step 2: Convert to fraction form
    913,505,771.16/1,260,634,785.48 = 495,818,055.36/x
  3. Step 3: Cross multiply
    913,505,771.16x = 1,260,634,785.48 × 495,818,055.36
  4. Step 4: Simplify right side
    913,505,771.16x = 625,045,487,855,864,448
  5. Step 5: Solve for x
    x = 625,045,487,855,864,448/913,505,771.16
  6. Step 6: Final answer
    x = 684,227,191.10

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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.