Home / 708,589,315.80-1,062,883,973.70-345,792,259.80

Finding the Fourth Proportional to 708,589,315.80, 1,062,883,973.70 and 345,792,259.80

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Solution

The fourth proportional to 708,589,315.80, 1,062,883,973.70 and 345,792,259.80 is: 518,688,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,315.80 : 1,062,883,973.70 = 345,792,259.80 : x
  2. Step 2: Convert to fraction form
    708,589,315.80/1,062,883,973.70 = 345,792,259.80/x
  3. Step 3: Cross multiply
    708,589,315.80x = 1,062,883,973.70 × 345,792,259.80
  4. Step 4: Simplify right side
    708,589,315.80x = 367,537,051,170,926,784
  5. Step 5: Solve for x
    x = 367,537,051,170,926,784/708,589,315.80
  6. Step 6: Final answer
    x = 518,688,389.70

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Double scale
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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.