Home / 623,270,400-860,113,989.06-341,039,356.74

Finding the Fourth Proportional to 623,270,400, 860,113,989.06 and 341,039,356.74

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Solution

The fourth proportional to 623,270,400, 860,113,989.06 and 341,039,356.74 is: 470,634,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,270,400 : 860,113,989.06 = 341,039,356.74 : x
  2. Step 2: Convert to fraction form
    623,270,400/860,113,989.06 = 341,039,356.74/x
  3. Step 3: Cross multiply
    623,270,400x = 860,113,989.06 × 341,039,356.74
  4. Step 4: Simplify right side
    623,270,400x = 293,332,721,552,097,792
  5. Step 5: Solve for x
    x = 293,332,721,552,097,792/623,270,400
  6. Step 6: Final answer
    x = 470,634,770.32

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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.