Home / 915,909,227.80-1,373,141,269.86-455,596,155.16

Finding the Fourth Proportional to 915,909,227.80, 1,373,141,269.86 and 455,596,155.16

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Solution

The fourth proportional to 915,909,227.80, 1,373,141,269.86 and 455,596,155.16 is: 683,034,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,909,227.80 : 1,373,141,269.86 = 455,596,155.16 : x
  2. Step 2: Convert to fraction form
    915,909,227.80/1,373,141,269.86 = 455,596,155.16/x
  3. Step 3: Cross multiply
    915,909,227.80x = 1,373,141,269.86 × 455,596,155.16
  4. Step 4: Simplify right side
    915,909,227.80x = 625,597,883,039,735,936
  5. Step 5: Solve for x
    x = 625,597,883,039,735,936/915,909,227.80
  6. Step 6: Final answer
    x = 683,034,807.44

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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.