Home / 438,122,159,548.02-604,608,121,627.59-245,435,688,822.84

Finding the Fourth Proportional to 438,122,159,548.02, 604,608,121,627.59 and 245,435,688,822.84

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Solution

The fourth proportional to 438,122,159,548.02, 604,608,121,627.59 and 245,435,688,822.84 is: 338,700,993,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122,159,548.02 : 604,608,121,627.59 = 245,435,688,822.84 : x
  2. Step 2: Convert to fraction form
    438,122,159,548.02/604,608,121,627.59 = 245,435,688,822.84/x
  3. Step 3: Cross multiply
    438,122,159,548.02x = 604,608,121,627.59 × 245,435,688,822.84
  4. Step 4: Simplify right side
    438,122,159,548.02x = 148,392,410,799,550,968,627,200
  5. Step 5: Solve for x
    x = 148,392,410,799,550,968,627,200/438,122,159,548.02
  6. Step 6: Final answer
    x = 338,700,993,696.91

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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.