Home / 511,272,022.20-766,908,033.30-317,402,345.40

Finding the Fourth Proportional to 511,272,022.20, 766,908,033.30 and 317,402,345.40

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Solution

The fourth proportional to 511,272,022.20, 766,908,033.30 and 317,402,345.40 is: 476,103,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,272,022.20 : 766,908,033.30 = 317,402,345.40 : x
  2. Step 2: Convert to fraction form
    511,272,022.20/766,908,033.30 = 317,402,345.40/x
  3. Step 3: Cross multiply
    511,272,022.20x = 766,908,033.30 × 317,402,345.40
  4. Step 4: Simplify right side
    511,272,022.20x = 243,418,408,475,521,280
  5. Step 5: Solve for x
    x = 243,418,408,475,521,280/511,272,022.20
  6. Step 6: Final answer
    x = 476,103,518.10

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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.