Home / 460,617,731.40-690,926,597.10-149,724,746.40

Finding the Fourth Proportional to 460,617,731.40, 690,926,597.10 and 149,724,746.40

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Solution

The fourth proportional to 460,617,731.40, 690,926,597.10 and 149,724,746.40 is: 224,587,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,617,731.40 : 690,926,597.10 = 149,724,746.40 : x
  2. Step 2: Convert to fraction form
    460,617,731.40/690,926,597.10 = 149,724,746.40/x
  3. Step 3: Cross multiply
    460,617,731.40x = 690,926,597.10 × 149,724,746.40
  4. Step 4: Simplify right side
    460,617,731.40x = 103,448,809,531,812,480
  5. Step 5: Solve for x
    x = 103,448,809,531,812,480/460,617,731.40
  6. Step 6: Final answer
    x = 224,587,119.60

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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.