Home / 128,765,880,223.02-193,148,774,873.86-34,436,376,354.83

Finding the Fourth Proportional to 128,765,880,223.02, 193,148,774,873.86 and 34,436,376,354.83

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Solution

The fourth proportional to 128,765,880,223.02, 193,148,774,873.86 and 34,436,376,354.83 is: 51,654,552,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,765,880,223.02 : 193,148,774,873.86 = 34,436,376,354.83 : x
  2. Step 2: Convert to fraction form
    128,765,880,223.02/193,148,774,873.86 = 34,436,376,354.83/x
  3. Step 3: Cross multiply
    128,765,880,223.02x = 193,148,774,873.86 × 34,436,376,354.83
  4. Step 4: Simplify right side
    128,765,880,223.02x = 6,651,343,904,029,608,509,440
  5. Step 5: Solve for x
    x = 6,651,343,904,029,608,509,440/128,765,880,223.02
  6. Step 6: Final answer
    x = 51,654,552,374.51

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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.