Home / 614,304,032.40-921,456,048.60-384,721,520.40

Finding the Fourth Proportional to 614,304,032.40, 921,456,048.60 and 384,721,520.40

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Solution

The fourth proportional to 614,304,032.40, 921,456,048.60 and 384,721,520.40 is: 577,082,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,304,032.40 : 921,456,048.60 = 384,721,520.40 : x
  2. Step 2: Convert to fraction form
    614,304,032.40/921,456,048.60 = 384,721,520.40/x
  3. Step 3: Cross multiply
    614,304,032.40x = 921,456,048.60 × 384,721,520.40
  4. Step 4: Simplify right side
    614,304,032.40x = 354,503,971,999,168,256
  5. Step 5: Solve for x
    x = 354,503,971,999,168,256/614,304,032.40
  6. Step 6: Final answer
    x = 577,082,280.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.