Home / 767,938,386.72-1,059,754,288.88-433,481,308.32

Finding the Fourth Proportional to 767,938,386.72, 1,059,754,288.88 and 433,481,308.32

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Solution

The fourth proportional to 767,938,386.72, 1,059,754,288.88 and 433,481,308.32 is: 598,203,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,938,386.72 : 1,059,754,288.88 = 433,481,308.32 : x
  2. Step 2: Convert to fraction form
    767,938,386.72/1,059,754,288.88 = 433,481,308.32/x
  3. Step 3: Cross multiply
    767,938,386.72x = 1,059,754,288.88 × 433,481,308.32
  4. Step 4: Simplify right side
    767,938,386.72x = 459,383,675,641,433,600
  5. Step 5: Solve for x
    x = 459,383,675,641,433,600/767,938,386.72
  6. Step 6: Final answer
    x = 598,203,818.93

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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.