Home / 528,883,400.70-793,325,101.05-313,892,552.70

Finding the Fourth Proportional to 528,883,400.70, 793,325,101.05 and 313,892,552.70

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Solution

The fourth proportional to 528,883,400.70, 793,325,101.05 and 313,892,552.70 is: 470,838,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,883,400.70 : 793,325,101.05 = 313,892,552.70 : x
  2. Step 2: Convert to fraction form
    528,883,400.70/793,325,101.05 = 313,892,552.70/x
  3. Step 3: Cross multiply
    528,883,400.70x = 793,325,101.05 × 313,892,552.70
  4. Step 4: Simplify right side
    528,883,400.70x = 249,018,841,089,569,920
  5. Step 5: Solve for x
    x = 249,018,841,089,569,920/528,883,400.70
  6. Step 6: Final answer
    x = 470,838,829.05

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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.