Home / 767,938,443.18-1,059,754,366.89-433,481,364.78

Finding the Fourth Proportional to 767,938,443.18, 1,059,754,366.89 and 433,481,364.78

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Solution

The fourth proportional to 767,938,443.18, 1,059,754,366.89 and 433,481,364.78 is: 598,203,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,938,443.18 : 1,059,754,366.89 = 433,481,364.78 : x
  2. Step 2: Convert to fraction form
    767,938,443.18/1,059,754,366.89 = 433,481,364.78/x
  3. Step 3: Cross multiply
    767,938,443.18x = 1,059,754,366.89 × 433,481,364.78
  4. Step 4: Simplify right side
    767,938,443.18x = 459,383,769,291,041,984
  5. Step 5: Solve for x
    x = 459,383,769,291,041,984/767,938,443.18
  6. Step 6: Final answer
    x = 598,203,896.90

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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.