Home / 712,314,204.40-1,068,471,306.60-303,411,689.20

Finding the Fourth Proportional to 712,314,204.40, 1,068,471,306.60 and 303,411,689.20

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Solution

The fourth proportional to 712,314,204.40, 1,068,471,306.60 and 303,411,689.20 is: 455,117,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,314,204.40 : 1,068,471,306.60 = 303,411,689.20 : x
  2. Step 2: Convert to fraction form
    712,314,204.40/1,068,471,306.60 = 303,411,689.20/x
  3. Step 3: Cross multiply
    712,314,204.40x = 1,068,471,306.60 × 303,411,689.20
  4. Step 4: Simplify right side
    712,314,204.40x = 324,186,683,997,237,120
  5. Step 5: Solve for x
    x = 324,186,683,997,237,120/712,314,204.40
  6. Step 6: Final answer
    x = 455,117,533.80

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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.