Home / 500,547,652.20-750,821,478.30-424,964,932.20

Finding the Fourth Proportional to 500,547,652.20, 750,821,478.30 and 424,964,932.20

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Solution

The fourth proportional to 500,547,652.20, 750,821,478.30 and 424,964,932.20 is: 637,447,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,547,652.20 : 750,821,478.30 = 424,964,932.20 : x
  2. Step 2: Convert to fraction form
    500,547,652.20/750,821,478.30 = 424,964,932.20/x
  3. Step 3: Cross multiply
    500,547,652.20x = 750,821,478.30 × 424,964,932.20
  4. Step 4: Simplify right side
    500,547,652.20x = 319,072,798,620,063,232
  5. Step 5: Solve for x
    x = 319,072,798,620,063,232/500,547,652.20
  6. Step 6: Final answer
    x = 637,447,398.30

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Double scale
Find fourth proportional to 500,547,653.20, 750,821,479.80 and 424,964,933.20
Similar ratio
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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.