Home / 559,249,256.34-771,770,025.75-308,354,133.66

Finding the Fourth Proportional to 559,249,256.34, 771,770,025.75 and 308,354,133.66

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Solution

The fourth proportional to 559,249,256.34, 771,770,025.75 and 308,354,133.66 is: 425,532,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,249,256.34 : 771,770,025.75 = 308,354,133.66 : x
  2. Step 2: Convert to fraction form
    559,249,256.34/771,770,025.75 = 308,354,133.66/x
  3. Step 3: Cross multiply
    559,249,256.34x = 771,770,025.75 × 308,354,133.66
  4. Step 4: Simplify right side
    559,249,256.34x = 237,978,477,674,897,152
  5. Step 5: Solve for x
    x = 237,978,477,674,897,152/559,249,256.34
  6. Step 6: Final answer
    x = 425,532,041.35

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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.