Home / 520,016,544,020.30-780,024,816,030.45-520,016,544,020.30

Finding the Fourth Proportional to 520,016,544,020.30, 780,024,816,030.45 and 520,016,544,020.30

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Solution

The fourth proportional to 520,016,544,020.30, 780,024,816,030.45 and 520,016,544,020.30 is: 780,024,816,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,016,544,020.30 : 780,024,816,030.45 = 520,016,544,020.30 : x
  2. Step 2: Convert to fraction form
    520,016,544,020.30/780,024,816,030.45 = 520,016,544,020.30/x
  3. Step 3: Cross multiply
    520,016,544,020.30x = 780,024,816,030.45 × 520,016,544,020.30
  4. Step 4: Simplify right side
    520,016,544,020.30x = 405,625,809,082,224,908,173,312
  5. Step 5: Solve for x
    x = 405,625,809,082,224,908,173,312/520,016,544,020.30
  6. Step 6: Final answer
    x = 780,024,816,030.45

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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.