Home / 528,610,184.01-729,549,312.27-319,767,821.22

Finding the Fourth Proportional to 528,610,184.01, 729,549,312.27 and 319,767,821.22

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Solution

The fourth proportional to 528,610,184.01, 729,549,312.27 and 319,767,821.22 is: 441,320,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,610,184.01 : 729,549,312.27 = 319,767,821.22 : x
  2. Step 2: Convert to fraction form
    528,610,184.01/729,549,312.27 = 319,767,821.22/x
  3. Step 3: Cross multiply
    528,610,184.01x = 729,549,312.27 × 319,767,821.22
  4. Step 4: Simplify right side
    528,610,184.01x = 233,286,394,057,127,328
  5. Step 5: Solve for x
    x = 233,286,394,057,127,328/528,610,184.01
  6. Step 6: Final answer
    x = 441,320,279.32

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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.