Home / 806,444,052.40-1,209,666,078.60-419,023,563.40

Finding the Fourth Proportional to 806,444,052.40, 1,209,666,078.60 and 419,023,563.40

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Solution

The fourth proportional to 806,444,052.40, 1,209,666,078.60 and 419,023,563.40 is: 628,535,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,444,052.40 : 1,209,666,078.60 = 419,023,563.40 : x
  2. Step 2: Convert to fraction form
    806,444,052.40/1,209,666,078.60 = 419,023,563.40/x
  3. Step 3: Cross multiply
    806,444,052.40x = 1,209,666,078.60 × 419,023,563.40
  4. Step 4: Simplify right side
    806,444,052.40x = 506,878,590,779,076,416
  5. Step 5: Solve for x
    x = 506,878,590,779,076,416/806,444,052.40
  6. Step 6: Final answer
    x = 628,535,345.10

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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.