Home / 949,480,312.60-1,423,086,728.10-489,181,547.80

Finding the Fourth Proportional to 949,480,312.60, 1,423,086,728.10 and 489,181,547.80

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Solution

The fourth proportional to 949,480,312.60, 1,423,086,728.10 and 489,181,547.80 is: 733,188,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,480,312.60 : 1,423,086,728.10 = 489,181,547.80 : x
  2. Step 2: Convert to fraction form
    949,480,312.60/1,423,086,728.10 = 489,181,547.80/x
  3. Step 3: Cross multiply
    949,480,312.60x = 1,423,086,728.10 × 489,181,547.80
  4. Step 4: Simplify right side
    949,480,312.60x = 696,147,768,305,595,776
  5. Step 5: Solve for x
    x = 696,147,768,305,595,776/949,480,312.60
  6. Step 6: Final answer
    x = 733,188,207.35

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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.