Home / 1,009,833,346.40-1,514,750,019.60-465,637,762.40

Finding the Fourth Proportional to 1,009,833,346.40, 1,514,750,019.60 and 465,637,762.40

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Solution

The fourth proportional to 1,009,833,346.40, 1,514,750,019.60 and 465,637,762.40 is: 698,456,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,833,346.40 : 1,514,750,019.60 = 465,637,762.40 : x
  2. Step 2: Convert to fraction form
    1,009,833,346.40/1,514,750,019.60 = 465,637,762.40/x
  3. Step 3: Cross multiply
    1,009,833,346.40x = 1,514,750,019.60 × 465,637,762.40
  4. Step 4: Simplify right side
    1,009,833,346.40x = 705,324,809,721,900,032
  5. Step 5: Solve for x
    x = 705,324,809,721,900,032/1,009,833,346.40
  6. Step 6: Final answer
    x = 698,456,643.60

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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.