Home / 558,117,762.57-837,176,643.59-208,391,142.38

Finding the Fourth Proportional to 558,117,762.57, 837,176,643.59 and 208,391,142.38

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Solution

The fourth proportional to 558,117,762.57, 837,176,643.59 and 208,391,142.38 is: 312,586,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,117,762.57 : 837,176,643.59 = 208,391,142.38 : x
  2. Step 2: Convert to fraction form
    558,117,762.57/837,176,643.59 = 208,391,142.38/x
  3. Step 3: Cross multiply
    558,117,762.57x = 837,176,643.59 × 208,391,142.38
  4. Step 4: Simplify right side
    558,117,762.57x = 174,460,197,126,346,368
  5. Step 5: Solve for x
    x = 174,460,197,126,346,368/558,117,762.57
  6. Step 6: Final answer
    x = 312,586,713.46

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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.