Home / 802,494,643.60-1,203,741,965.40-680,050,637.20

Finding the Fourth Proportional to 802,494,643.60, 1,203,741,965.40 and 680,050,637.20

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Solution

The fourth proportional to 802,494,643.60, 1,203,741,965.40 and 680,050,637.20 is: 1,020,075,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,494,643.60 : 1,203,741,965.40 = 680,050,637.20 : x
  2. Step 2: Convert to fraction form
    802,494,643.60/1,203,741,965.40 = 680,050,637.20/x
  3. Step 3: Cross multiply
    802,494,643.60x = 1,203,741,965.40 × 680,050,637.20
  4. Step 4: Simplify right side
    802,494,643.60x = 818,605,490,594,650,496
  5. Step 5: Solve for x
    x = 818,605,490,594,650,496/802,494,643.60
  6. Step 6: Final answer
    x = 1,020,075,955.80

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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.