Home / 1,255,706,646.60-1,883,559,969.90-382,301,077.80

Finding the Fourth Proportional to 1,255,706,646.60, 1,883,559,969.90 and 382,301,077.80

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Solution

The fourth proportional to 1,255,706,646.60, 1,883,559,969.90 and 382,301,077.80 is: 573,451,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,706,646.60 : 1,883,559,969.90 = 382,301,077.80 : x
  2. Step 2: Convert to fraction form
    1,255,706,646.60/1,883,559,969.90 = 382,301,077.80/x
  3. Step 3: Cross multiply
    1,255,706,646.60x = 1,883,559,969.90 × 382,301,077.80
  4. Step 4: Simplify right side
    1,255,706,646.60x = 720,087,006,593,705,600
  5. Step 5: Solve for x
    x = 720,087,006,593,705,600/1,255,706,646.60
  6. Step 6: Final answer
    x = 573,451,616.70

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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.