Home / 1,345,291,352.80-2,017,937,029.20-826,038,066.40

Finding the Fourth Proportional to 1,345,291,352.80, 2,017,937,029.20 and 826,038,066.40

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Solution

The fourth proportional to 1,345,291,352.80, 2,017,937,029.20 and 826,038,066.40 is: 1,239,057,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,291,352.80 : 2,017,937,029.20 = 826,038,066.40 : x
  2. Step 2: Convert to fraction form
    1,345,291,352.80/2,017,937,029.20 = 826,038,066.40/x
  3. Step 3: Cross multiply
    1,345,291,352.80x = 2,017,937,029.20 × 826,038,066.40
  4. Step 4: Simplify right side
    1,345,291,352.80x = 1,666,892,801,717,328,384
  5. Step 5: Solve for x
    x = 1,666,892,801,717,328,384/1,345,291,352.80
  6. Step 6: Final answer
    x = 1,239,057,099.60

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1.5x scale

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.