Home / 473,336,399.93-710,004,588.95-128,290,020.08

Finding the Fourth Proportional to 473,336,399.93, 710,004,588.95 and 128,290,020.08

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Solution

The fourth proportional to 473,336,399.93, 710,004,588.95 and 128,290,020.08 is: 192,435,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,336,399.93 : 710,004,588.95 = 128,290,020.08 : x
  2. Step 2: Convert to fraction form
    473,336,399.93/710,004,588.95 = 128,290,020.08/x
  3. Step 3: Cross multiply
    473,336,399.93x = 710,004,588.95 × 128,290,020.08
  4. Step 4: Simplify right side
    473,336,399.93x = 91,086,502,970,058,352
  5. Step 5: Solve for x
    x = 91,086,502,970,058,352/473,336,399.93
  6. Step 6: Final answer
    x = 192,435,027.15

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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.