Home / 558,477,359.32-837,134,111.06-312,473,320.42

Finding the Fourth Proportional to 558,477,359.32, 837,134,111.06 and 312,473,320.42

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Solution

The fourth proportional to 558,477,359.32, 837,134,111.06 and 312,473,320.42 is: 468,384,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,477,359.32 : 837,134,111.06 = 312,473,320.42 : x
  2. Step 2: Convert to fraction form
    558,477,359.32/837,134,111.06 = 312,473,320.42/x
  3. Step 3: Cross multiply
    558,477,359.32x = 837,134,111.06 × 312,473,320.42
  4. Step 4: Simplify right side
    558,477,359.32x = 261,582,075,319,763,232
  5. Step 5: Solve for x
    x = 261,582,075,319,763,232/558,477,359.32
  6. Step 6: Final answer
    x = 468,384,386.50

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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.