Home / 623,861,780.40-935,792,670.60-575,488,839.60

Finding the Fourth Proportional to 623,861,780.40, 935,792,670.60 and 575,488,839.60

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Solution

The fourth proportional to 623,861,780.40, 935,792,670.60 and 575,488,839.60 is: 863,233,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,861,780.40 : 935,792,670.60 = 575,488,839.60 : x
  2. Step 2: Convert to fraction form
    623,861,780.40/935,792,670.60 = 575,488,839.60/x
  3. Step 3: Cross multiply
    623,861,780.40x = 935,792,670.60 × 575,488,839.60
  4. Step 4: Simplify right side
    623,861,780.40x = 538,538,238,109,779,072
  5. Step 5: Solve for x
    x = 538,538,238,109,779,072/623,861,780.40
  6. Step 6: Final answer
    x = 863,233,259.40

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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.