Home / 1,012,835,851.02-1,519,041,197.52-285,654,501.90

Finding the Fourth Proportional to 1,012,835,851.02, 1,519,041,197.52 and 285,654,501.90

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Solution

The fourth proportional to 1,012,835,851.02, 1,519,041,197.52 and 285,654,501.90 is: 428,421,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,835,851.02 : 1,519,041,197.52 = 285,654,501.90 : x
  2. Step 2: Convert to fraction form
    1,012,835,851.02/1,519,041,197.52 = 285,654,501.90/x
  3. Step 3: Cross multiply
    1,012,835,851.02x = 1,519,041,197.52 × 285,654,501.90
  4. Step 4: Simplify right side
    1,012,835,851.02x = 433,920,956,643,155,072
  5. Step 5: Solve for x
    x = 433,920,956,643,155,072/1,012,835,851.02
  6. Step 6: Final answer
    x = 428,421,798.27

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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.