Home / 818,185,340.76-1,128,761,512.24-604,117,018.58

Finding the Fourth Proportional to 818,185,340.76, 1,128,761,512.24 and 604,117,018.58

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Solution

The fourth proportional to 818,185,340.76, 1,128,761,512.24 and 604,117,018.58 is: 833,434,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,185,340.76 : 1,128,761,512.24 = 604,117,018.58 : x
  2. Step 2: Convert to fraction form
    818,185,340.76/1,128,761,512.24 = 604,117,018.58/x
  3. Step 3: Cross multiply
    818,185,340.76x = 1,128,761,512.24 × 604,117,018.58
  4. Step 4: Simplify right side
    818,185,340.76x = 681,904,039,462,281,088
  5. Step 5: Solve for x
    x = 681,904,039,462,281,088/818,185,340.76
  6. Step 6: Final answer
    x = 833,434,682.21

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Double scale
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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.