Home / 873,528,027.60-1,310,292,041.40-678,382,892.40

Finding the Fourth Proportional to 873,528,027.60, 1,310,292,041.40 and 678,382,892.40

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Solution

The fourth proportional to 873,528,027.60, 1,310,292,041.40 and 678,382,892.40 is: 1,017,574,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,528,027.60 : 1,310,292,041.40 = 678,382,892.40 : x
  2. Step 2: Convert to fraction form
    873,528,027.60/1,310,292,041.40 = 678,382,892.40/x
  3. Step 3: Cross multiply
    873,528,027.60x = 1,310,292,041.40 × 678,382,892.40
  4. Step 4: Simplify right side
    873,528,027.60x = 888,879,704,933,632,640
  5. Step 5: Solve for x
    x = 888,879,704,933,632,640/873,528,027.60
  6. Step 6: Final answer
    x = 1,017,574,338.60

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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.