Home / 651,608,302.40-977,412,453.60-191,592,972.80

Finding the Fourth Proportional to 651,608,302.40, 977,412,453.60 and 191,592,972.80

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Solution

The fourth proportional to 651,608,302.40, 977,412,453.60 and 191,592,972.80 is: 287,389,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,608,302.40 : 977,412,453.60 = 191,592,972.80 : x
  2. Step 2: Convert to fraction form
    651,608,302.40/977,412,453.60 = 191,592,972.80/x
  3. Step 3: Cross multiply
    651,608,302.40x = 977,412,453.60 × 191,592,972.80
  4. Step 4: Simplify right side
    651,608,302.40x = 187,265,357,636,966,080
  5. Step 5: Solve for x
    x = 187,265,357,636,966,080/651,608,302.40
  6. Step 6: Final answer
    x = 287,389,459.20

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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.