Home / 389,460,263.40-584,190,395.10-116,831,030.40

Finding the Fourth Proportional to 389,460,263.40, 584,190,395.10 and 116,831,030.40

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Solution

The fourth proportional to 389,460,263.40, 584,190,395.10 and 116,831,030.40 is: 175,246,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,460,263.40 : 584,190,395.10 = 116,831,030.40 : x
  2. Step 2: Convert to fraction form
    389,460,263.40/584,190,395.10 = 116,831,030.40/x
  3. Step 3: Cross multiply
    389,460,263.40x = 584,190,395.10 × 116,831,030.40
  4. Step 4: Simplify right side
    389,460,263.40x = 68,251,565,809,316,120
  5. Step 5: Solve for x
    x = 68,251,565,809,316,120/389,460,263.40
  6. Step 6: Final answer
    x = 175,246,545.60

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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.