Home / 767,128,850.40-1,058,573,801.52-432,582,624.48

Finding the Fourth Proportional to 767,128,850.40, 1,058,573,801.52 and 432,582,624.48

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Solution

The fourth proportional to 767,128,850.40, 1,058,573,801.52 and 432,582,624.48 is: 596,927,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,128,850.40 : 1,058,573,801.52 = 432,582,624.48 : x
  2. Step 2: Convert to fraction form
    767,128,850.40/1,058,573,801.52 = 432,582,624.48/x
  3. Step 3: Cross multiply
    767,128,850.40x = 1,058,573,801.52 × 432,582,624.48
  4. Step 4: Simplify right side
    767,128,850.40x = 457,920,633,267,292,224
  5. Step 5: Solve for x
    x = 457,920,633,267,292,224/767,128,850.40
  6. Step 6: Final answer
    x = 596,927,925.51

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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.