Home / 1,124,957,643.10-1,552,420,776.56-623,155,416.45

Finding the Fourth Proportional to 1,124,957,643.10, 1,552,420,776.56 and 623,155,416.45

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Solution

The fourth proportional to 1,124,957,643.10, 1,552,420,776.56 and 623,155,416.45 is: 859,942,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,957,643.10 : 1,552,420,776.56 = 623,155,416.45 : x
  2. Step 2: Convert to fraction form
    1,124,957,643.10/1,552,420,776.56 = 623,155,416.45/x
  3. Step 3: Cross multiply
    1,124,957,643.10x = 1,552,420,776.56 × 623,155,416.45
  4. Step 4: Simplify right side
    1,124,957,643.10x = 967,399,415,522,879,232
  5. Step 5: Solve for x
    x = 967,399,415,522,879,232/1,124,957,643.10
  6. Step 6: Final answer
    x = 859,942,968.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.