Home / 913,804,276.72-1,370,836,565.82-283,590,784.21

Finding the Fourth Proportional to 913,804,276.72, 1,370,836,565.82 and 283,590,784.21

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Solution

The fourth proportional to 913,804,276.72, 1,370,836,565.82 and 283,590,784.21 is: 425,426,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,804,276.72 : 1,370,836,565.82 = 283,590,784.21 : x
  2. Step 2: Convert to fraction form
    913,804,276.72/1,370,836,565.82 = 283,590,784.21/x
  3. Step 3: Cross multiply
    913,804,276.72x = 1,370,836,565.82 × 283,590,784.21
  4. Step 4: Simplify right side
    913,804,276.72x = 388,756,616,724,637,056
  5. Step 5: Solve for x
    x = 388,756,616,724,637,056/913,804,276.72
  6. Step 6: Final answer
    x = 425,426,567.40

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Double scale
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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.