Home / 1,045,806,099.60-1,570,220,803.80-788,824,851.60

Finding the Fourth Proportional to 1,045,806,099.60, 1,570,220,803.80 and 788,824,851.60

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Solution

The fourth proportional to 1,045,806,099.60, 1,570,220,803.80 and 788,824,851.60 is: 1,184,377,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,806,099.60 : 1,570,220,803.80 = 788,824,851.60 : x
  2. Step 2: Convert to fraction form
    1,045,806,099.60/1,570,220,803.80 = 788,824,851.60/x
  3. Step 3: Cross multiply
    1,045,806,099.60x = 1,570,220,803.80 × 788,824,851.60
  4. Step 4: Simplify right side
    1,045,806,099.60x = 1,238,629,192,536,767,744
  5. Step 5: Solve for x
    x = 1,238,629,192,536,767,744/1,045,806,099.60
  6. Step 6: Final answer
    x = 1,184,377,479.74

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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.