Home / 575,424,071.60-863,136,107.40-519,884,769.20

Finding the Fourth Proportional to 575,424,071.60, 863,136,107.40 and 519,884,769.20

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Solution

The fourth proportional to 575,424,071.60, 863,136,107.40 and 519,884,769.20 is: 779,827,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,424,071.60 : 863,136,107.40 = 519,884,769.20 : x
  2. Step 2: Convert to fraction form
    575,424,071.60/863,136,107.40 = 519,884,769.20/x
  3. Step 3: Cross multiply
    575,424,071.60x = 863,136,107.40 × 519,884,769.20
  4. Step 4: Simplify right side
    575,424,071.60x = 448,731,315,983,835,392
  5. Step 5: Solve for x
    x = 448,731,315,983,835,392/575,424,071.60
  6. Step 6: Final answer
    x = 779,827,153.80

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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.