Home / 1,129,554,036.40-1,694,331,054.60-402,280,308.40

Finding the Fourth Proportional to 1,129,554,036.40, 1,694,331,054.60 and 402,280,308.40

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Solution

The fourth proportional to 1,129,554,036.40, 1,694,331,054.60 and 402,280,308.40 is: 603,420,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,554,036.40 : 1,694,331,054.60 = 402,280,308.40 : x
  2. Step 2: Convert to fraction form
    1,129,554,036.40/1,694,331,054.60 = 402,280,308.40/x
  3. Step 3: Cross multiply
    1,129,554,036.40x = 1,694,331,054.60 × 402,280,308.40
  4. Step 4: Simplify right side
    1,129,554,036.40x = 681,596,019,176,185,216
  5. Step 5: Solve for x
    x = 681,596,019,176,185,216/1,129,554,036.40
  6. Step 6: Final answer
    x = 603,420,462.60

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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.