Home / 528,883,412.20-793,325,118.30-313,892,564.20

Finding the Fourth Proportional to 528,883,412.20, 793,325,118.30 and 313,892,564.20

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Solution

The fourth proportional to 528,883,412.20, 793,325,118.30 and 313,892,564.20 is: 470,838,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,883,412.20 : 793,325,118.30 = 313,892,564.20 : x
  2. Step 2: Convert to fraction form
    528,883,412.20/793,325,118.30 = 313,892,564.20/x
  3. Step 3: Cross multiply
    528,883,412.20x = 793,325,118.30 × 313,892,564.20
  4. Step 4: Simplify right side
    528,883,412.20x = 249,018,855,627,455,328
  5. Step 5: Solve for x
    x = 249,018,855,627,455,328/528,883,412.20
  6. Step 6: Final answer
    x = 470,838,846.30

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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.