Home / 1,777,038,587.80-2,665,557,881.70-858,708,539.80

Finding the Fourth Proportional to 1,777,038,587.80, 2,665,557,881.70 and 858,708,539.80

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Solution

The fourth proportional to 1,777,038,587.80, 2,665,557,881.70 and 858,708,539.80 is: 1,288,062,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,038,587.80 : 2,665,557,881.70 = 858,708,539.80 : x
  2. Step 2: Convert to fraction form
    1,777,038,587.80/2,665,557,881.70 = 858,708,539.80/x
  3. Step 3: Cross multiply
    1,777,038,587.80x = 2,665,557,881.70 × 858,708,539.80
  4. Step 4: Simplify right side
    1,777,038,587.80x = 2,288,937,316,346,987,776
  5. Step 5: Solve for x
    x = 2,288,937,316,346,987,776/1,777,038,587.80
  6. Step 6: Final answer
    x = 1,288,062,809.70

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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.