Home / 1,208,842,214.80-1,813,263,322.20-391,037,184.40

Finding the Fourth Proportional to 1,208,842,214.80, 1,813,263,322.20 and 391,037,184.40

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Solution

The fourth proportional to 1,208,842,214.80, 1,813,263,322.20 and 391,037,184.40 is: 586,555,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,842,214.80 : 1,813,263,322.20 = 391,037,184.40 : x
  2. Step 2: Convert to fraction form
    1,208,842,214.80/1,813,263,322.20 = 391,037,184.40/x
  3. Step 3: Cross multiply
    1,208,842,214.80x = 1,813,263,322.20 × 391,037,184.40
  4. Step 4: Simplify right side
    1,208,842,214.80x = 709,053,384,088,877,952
  5. Step 5: Solve for x
    x = 709,053,384,088,877,952/1,208,842,214.80
  6. Step 6: Final answer
    x = 586,555,776.60

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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.