Home / 639,792,054.30-959,688,081.45-530,740,361.10

Finding the Fourth Proportional to 639,792,054.30, 959,688,081.45 and 530,740,361.10

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Solution

The fourth proportional to 639,792,054.30, 959,688,081.45 and 530,740,361.10 is: 796,110,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,792,054.30 : 959,688,081.45 = 530,740,361.10 : x
  2. Step 2: Convert to fraction form
    639,792,054.30/959,688,081.45 = 530,740,361.10/x
  3. Step 3: Cross multiply
    639,792,054.30x = 959,688,081.45 × 530,740,361.10
  4. Step 4: Simplify right side
    639,792,054.30x = 509,345,198,892,139,264
  5. Step 5: Solve for x
    x = 509,345,198,892,139,264/639,792,054.30
  6. Step 6: Final answer
    x = 796,110,541.65

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Double scale
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Similar ratio
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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.