Home / 517,386,629.60-776,079,944.40-354,127,954.40

Finding the Fourth Proportional to 517,386,629.60, 776,079,944.40 and 354,127,954.40

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Solution

The fourth proportional to 517,386,629.60, 776,079,944.40 and 354,127,954.40 is: 531,191,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,386,629.60 : 776,079,944.40 = 354,127,954.40 : x
  2. Step 2: Convert to fraction form
    517,386,629.60/776,079,944.40 = 354,127,954.40/x
  3. Step 3: Cross multiply
    517,386,629.60x = 776,079,944.40 × 354,127,954.40
  4. Step 4: Simplify right side
    517,386,629.60x = 274,831,603,161,237,696
  5. Step 5: Solve for x
    x = 274,831,603,161,237,696/517,386,629.60
  6. Step 6: Final answer
    x = 531,191,931.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.