Home / 972,477,240.45-1,457,898,437.96-787,786,706.10

Finding the Fourth Proportional to 972,477,240.45, 1,457,898,437.96 and 787,786,706.10

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Solution

The fourth proportional to 972,477,240.45, 1,457,898,437.96 and 787,786,706.10 is: 1,181,017,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,477,240.45 : 1,457,898,437.96 = 787,786,706.10 : x
  2. Step 2: Convert to fraction form
    972,477,240.45/1,457,898,437.96 = 787,786,706.10/x
  3. Step 3: Cross multiply
    972,477,240.45x = 1,457,898,437.96 × 787,786,706.10
  4. Step 4: Simplify right side
    972,477,240.45x = 1,148,513,008,264,904,704
  5. Step 5: Solve for x
    x = 1,148,513,008,264,904,704/972,477,240.45
  6. Step 6: Final answer
    x = 1,181,017,879.38

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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.