Home / 559,249,242.84-771,770,007.12-308,354,120.16

Finding the Fourth Proportional to 559,249,242.84, 771,770,007.12 and 308,354,120.16

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Solution

The fourth proportional to 559,249,242.84, 771,770,007.12 and 308,354,120.16 is: 425,532,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,249,242.84 : 771,770,007.12 = 308,354,120.16 : x
  2. Step 2: Convert to fraction form
    559,249,242.84/771,770,007.12 = 308,354,120.16/x
  3. Step 3: Cross multiply
    559,249,242.84x = 771,770,007.12 × 308,354,120.16
  4. Step 4: Simplify right side
    559,249,242.84x = 237,978,461,511,364,544
  5. Step 5: Solve for x
    x = 237,978,461,511,364,544/559,249,242.84
  6. Step 6: Final answer
    x = 425,532,022.72

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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.