Home / 747,357,457.20-1,121,036,185.80-402,983,689.20

Finding the Fourth Proportional to 747,357,457.20, 1,121,036,185.80 and 402,983,689.20

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Solution

The fourth proportional to 747,357,457.20, 1,121,036,185.80 and 402,983,689.20 is: 604,475,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,357,457.20 : 1,121,036,185.80 = 402,983,689.20 : x
  2. Step 2: Convert to fraction form
    747,357,457.20/1,121,036,185.80 = 402,983,689.20/x
  3. Step 3: Cross multiply
    747,357,457.20x = 1,121,036,185.80 × 402,983,689.20
  4. Step 4: Simplify right side
    747,357,457.20x = 451,759,297,880,380,608
  5. Step 5: Solve for x
    x = 451,759,297,880,380,608/747,357,457.20
  6. Step 6: Final answer
    x = 604,475,533.80

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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.