Home / 655,740,598.32-904,922,907.48-377,276,536.80

Finding the Fourth Proportional to 655,740,598.32, 904,922,907.48 and 377,276,536.80

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Solution

The fourth proportional to 655,740,598.32, 904,922,907.48 and 377,276,536.80 is: 520,642,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,740,598.32 : 904,922,907.48 = 377,276,536.80 : x
  2. Step 2: Convert to fraction form
    655,740,598.32/904,922,907.48 = 377,276,536.80/x
  3. Step 3: Cross multiply
    655,740,598.32x = 904,922,907.48 × 377,276,536.80
  4. Step 4: Simplify right side
    655,740,598.32x = 341,406,180,605,041,216
  5. Step 5: Solve for x
    x = 341,406,180,605,041,216/655,740,598.32
  6. Step 6: Final answer
    x = 520,642,128.12

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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.