Home / 948,288,003.80-1,422,432,005.70-403,047,325.40

Finding the Fourth Proportional to 948,288,003.80, 1,422,432,005.70 and 403,047,325.40

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Solution

The fourth proportional to 948,288,003.80, 1,422,432,005.70 and 403,047,325.40 is: 604,570,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,288,003.80 : 1,422,432,005.70 = 403,047,325.40 : x
  2. Step 2: Convert to fraction form
    948,288,003.80/1,422,432,005.70 = 403,047,325.40/x
  3. Step 3: Cross multiply
    948,288,003.80x = 1,422,432,005.70 × 403,047,325.40
  4. Step 4: Simplify right side
    948,288,003.80x = 573,307,415,460,742,528
  5. Step 5: Solve for x
    x = 573,307,415,460,742,528/948,288,003.80
  6. Step 6: Final answer
    x = 604,570,988.10

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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.