Home / 749,882,566.40-1,124,823,849.60-265,208,374.40

Finding the Fourth Proportional to 749,882,566.40, 1,124,823,849.60 and 265,208,374.40

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Solution

The fourth proportional to 749,882,566.40, 1,124,823,849.60 and 265,208,374.40 is: 397,812,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,882,566.40 : 1,124,823,849.60 = 265,208,374.40 : x
  2. Step 2: Convert to fraction form
    749,882,566.40/1,124,823,849.60 = 265,208,374.40/x
  3. Step 3: Cross multiply
    749,882,566.40x = 1,124,823,849.60 × 265,208,374.40
  4. Step 4: Simplify right side
    749,882,566.40x = 298,312,704,638,766,080
  5. Step 5: Solve for x
    x = 298,312,704,638,766,080/749,882,566.40
  6. Step 6: Final answer
    x = 397,812,561.60

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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.