Home / 1,539,118,831.37-2,123,927,084.81-834,255,679.25

Finding the Fourth Proportional to 1,539,118,831.37, 2,123,927,084.81 and 834,255,679.25

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Solution

The fourth proportional to 1,539,118,831.37, 2,123,927,084.81 and 834,255,679.25 is: 1,151,241,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,831.37 : 2,123,927,084.81 = 834,255,679.25 : x
  2. Step 2: Convert to fraction form
    1,539,118,831.37/2,123,927,084.81 = 834,255,679.25/x
  3. Step 3: Cross multiply
    1,539,118,831.37x = 2,123,927,084.81 × 834,255,679.25
  4. Step 4: Simplify right side
    1,539,118,831.37x = 1,771,898,232,811,467,776
  5. Step 5: Solve for x
    x = 1,771,898,232,811,467,776/1,539,118,831.37
  6. Step 6: Final answer
    x = 1,151,241,994.25

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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.