Home / 319,698,595.20-479,547,892.80-216,386,464.80

Finding the Fourth Proportional to 319,698,595.20, 479,547,892.80 and 216,386,464.80

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Solution

The fourth proportional to 319,698,595.20, 479,547,892.80 and 216,386,464.80 is: 324,579,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,698,595.20 : 479,547,892.80 = 216,386,464.80 : x
  2. Step 2: Convert to fraction form
    319,698,595.20/479,547,892.80 = 216,386,464.80/x
  3. Step 3: Cross multiply
    319,698,595.20x = 479,547,892.80 × 216,386,464.80
  4. Step 4: Simplify right side
    319,698,595.20x = 103,767,673,225,281,376
  5. Step 5: Solve for x
    x = 103,767,673,225,281,376/319,698,595.20
  6. Step 6: Final answer
    x = 324,579,697.20

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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.