Home / 1,493,357,426.40-2,240,036,139.60-402,950,719.20

Finding the Fourth Proportional to 1,493,357,426.40, 2,240,036,139.60 and 402,950,719.20

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Solution

The fourth proportional to 1,493,357,426.40, 2,240,036,139.60 and 402,950,719.20 is: 604,426,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,357,426.40 : 2,240,036,139.60 = 402,950,719.20 : x
  2. Step 2: Convert to fraction form
    1,493,357,426.40/2,240,036,139.60 = 402,950,719.20/x
  3. Step 3: Cross multiply
    1,493,357,426.40x = 2,240,036,139.60 × 402,950,719.20
  4. Step 4: Simplify right side
    1,493,357,426.40x = 902,624,173,485,811,584
  5. Step 5: Solve for x
    x = 902,624,173,485,811,584/1,493,357,426.40
  6. Step 6: Final answer
    x = 604,426,078.80

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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.