Home / 1,437,119,666.64-1,983,250,969.20-842,832,778.68

Finding the Fourth Proportional to 1,437,119,666.64, 1,983,250,969.20 and 842,832,778.68

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Solution

The fourth proportional to 1,437,119,666.64, 1,983,250,969.20 and 842,832,778.68 is: 1,163,124,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,119,666.64 : 1,983,250,969.20 = 842,832,778.68 : x
  2. Step 2: Convert to fraction form
    1,437,119,666.64/1,983,250,969.20 = 842,832,778.68/x
  3. Step 3: Cross multiply
    1,437,119,666.64x = 1,983,250,969.20 × 842,832,778.68
  4. Step 4: Simplify right side
    1,437,119,666.64x = 1,671,548,925,190,639,104
  5. Step 5: Solve for x
    x = 1,671,548,925,190,639,104/1,437,119,666.64
  6. Step 6: Final answer
    x = 1,163,124,382.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.