Home / 1,009,833,431.40-1,514,750,147.10-465,637,847.40

Finding the Fourth Proportional to 1,009,833,431.40, 1,514,750,147.10 and 465,637,847.40

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Solution

The fourth proportional to 1,009,833,431.40, 1,514,750,147.10 and 465,637,847.40 is: 698,456,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,833,431.40 : 1,514,750,147.10 = 465,637,847.40 : x
  2. Step 2: Convert to fraction form
    1,009,833,431.40/1,514,750,147.10 = 465,637,847.40/x
  3. Step 3: Cross multiply
    1,009,833,431.40x = 1,514,750,147.10 × 465,637,847.40
  4. Step 4: Simplify right side
    1,009,833,431.40x = 705,324,997,844,477,312
  5. Step 5: Solve for x
    x = 705,324,997,844,477,312/1,009,833,431.40
  6. Step 6: Final answer
    x = 698,456,771.10

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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.