Home / 531,574,577.20-742,390,422.80-531,574,577.20

Finding the Fourth Proportional to 531,574,577.20, 742,390,422.80 and 531,574,577.20

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Solution

The fourth proportional to 531,574,577.20, 742,390,422.80 and 531,574,577.20 is: 742,390,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,574,577.20 : 742,390,422.80 = 531,574,577.20 : x
  2. Step 2: Convert to fraction form
    531,574,577.20/742,390,422.80 = 531,574,577.20/x
  3. Step 3: Cross multiply
    531,574,577.20x = 742,390,422.80 × 531,574,577.20
  4. Step 4: Simplify right side
    531,574,577.20x = 394,635,875,117,239,232
  5. Step 5: Solve for x
    x = 394,635,875,117,239,232/531,574,577.20
  6. Step 6: Final answer
    x = 742,390,422.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.