Home / 1,133,143,530.80-1,700,471,123.40-519,411,844.40

Finding the Fourth Proportional to 1,133,143,530.80, 1,700,471,123.40 and 519,411,844.40

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Solution

The fourth proportional to 1,133,143,530.80, 1,700,471,123.40 and 519,411,844.40 is: 779,464,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,143,530.80 : 1,700,471,123.40 = 519,411,844.40 : x
  2. Step 2: Convert to fraction form
    1,133,143,530.80/1,700,471,123.40 = 519,411,844.40/x
  3. Step 3: Cross multiply
    1,133,143,530.80x = 1,700,471,123.40 × 519,411,844.40
  4. Step 4: Simplify right side
    1,133,143,530.80x = 883,244,842,554,134,016
  5. Step 5: Solve for x
    x = 883,244,842,554,134,016/1,133,143,530.80
  6. Step 6: Final answer
    x = 779,464,223.68

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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.