Home / 1,066,959,615.12-1,472,421,702.78-584,143,511.28

Finding the Fourth Proportional to 1,066,959,615.12, 1,472,421,702.78 and 584,143,511.28

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Solution

The fourth proportional to 1,066,959,615.12, 1,472,421,702.78 and 584,143,511.28 is: 806,127,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,959,615.12 : 1,472,421,702.78 = 584,143,511.28 : x
  2. Step 2: Convert to fraction form
    1,066,959,615.12/1,472,421,702.78 = 584,143,511.28/x
  3. Step 3: Cross multiply
    1,066,959,615.12x = 1,472,421,702.78 × 584,143,511.28
  4. Step 4: Simplify right side
    1,066,959,615.12x = 860,105,583,546,785,664
  5. Step 5: Solve for x
    x = 860,105,583,546,785,664/1,066,959,615.12
  6. Step 6: Final answer
    x = 806,127,590.36

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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.