Home / 971,387,759.32-1,457,183,711.74-316,389,788.62

Finding the Fourth Proportional to 971,387,759.32, 1,457,183,711.74 and 316,389,788.62

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Solution

The fourth proportional to 971,387,759.32, 1,457,183,711.74 and 316,389,788.62 is: 474,617,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,387,759.32 : 1,457,183,711.74 = 316,389,788.62 : x
  2. Step 2: Convert to fraction form
    971,387,759.32/1,457,183,711.74 = 316,389,788.62/x
  3. Step 3: Cross multiply
    971,387,759.32x = 1,457,183,711.74 × 316,389,788.62
  4. Step 4: Simplify right side
    971,387,759.32x = 461,038,046,537,925,632
  5. Step 5: Solve for x
    x = 461,038,046,537,925,632/971,387,759.32
  6. Step 6: Final answer
    x = 474,617,928.95

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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.