Home / 470,712,277.78-649,588,820.16-259,043,461

Finding the Fourth Proportional to 470,712,277.78, 649,588,820.16 and 259,043,461

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Solution

The fourth proportional to 470,712,277.78, 649,588,820.16 and 259,043,461 is: 357,483,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,712,277.78 : 649,588,820.16 = 259,043,461 : x
  2. Step 2: Convert to fraction form
    470,712,277.78/649,588,820.16 = 259,043,461/x
  3. Step 3: Cross multiply
    470,712,277.78x = 649,588,820.16 × 259,043,461
  4. Step 4: Simplify right side
    470,712,277.78x = 168,271,736,201,152,960
  5. Step 5: Solve for x
    x = 168,271,736,201,152,960/470,712,277.78
  6. Step 6: Final answer
    x = 357,483,210.33

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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.