Home / 639,600,547.71-956,631,182.89-376,658,321.69

Finding the Fourth Proportional to 639,600,547.71, 956,631,182.89 and 376,658,321.69

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Solution

The fourth proportional to 639,600,547.71, 956,631,182.89 and 376,658,321.69 is: 563,356,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,600,547.71 : 956,631,182.89 = 376,658,321.69 : x
  2. Step 2: Convert to fraction form
    639,600,547.71/956,631,182.89 = 376,658,321.69/x
  3. Step 3: Cross multiply
    639,600,547.71x = 956,631,182.89 × 376,658,321.69
  4. Step 4: Simplify right side
    639,600,547.71x = 360,323,095,821,501,184
  5. Step 5: Solve for x
    x = 360,323,095,821,501,184/639,600,547.71
  6. Step 6: Final answer
    x = 563,356,452.89

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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.