Home / 788,552,496.40-1,182,828,744.60-328,337,712.40

Finding the Fourth Proportional to 788,552,496.40, 1,182,828,744.60 and 328,337,712.40

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Solution

The fourth proportional to 788,552,496.40, 1,182,828,744.60 and 328,337,712.40 is: 492,506,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,552,496.40 : 1,182,828,744.60 = 328,337,712.40 : x
  2. Step 2: Convert to fraction form
    788,552,496.40/1,182,828,744.60 = 328,337,712.40/x
  3. Step 3: Cross multiply
    788,552,496.40x = 1,182,828,744.60 × 328,337,712.40
  4. Step 4: Simplify right side
    788,552,496.40x = 388,367,284,162,927,808
  5. Step 5: Solve for x
    x = 388,367,284,162,927,808/788,552,496.40
  6. Step 6: Final answer
    x = 492,506,568.60

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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.