Home / 977,281,921,107.17-1,348,649,271,265-537,819,305,343.67

Finding the Fourth Proportional to 977,281,921,107.17, 1,348,649,271,265 and 537,819,305,343.67

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Solution

The fourth proportional to 977,281,921,107.17, 1,348,649,271,265 and 537,819,305,343.67 is: 742,190,762,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,281,921,107.17 : 1,348,649,271,265 = 537,819,305,343.67 : x
  2. Step 2: Convert to fraction form
    977,281,921,107.17/1,348,649,271,265 = 537,819,305,343.67/x
  3. Step 3: Cross multiply
    977,281,921,107.17x = 1,348,649,271,265 × 537,819,305,343.67
  4. Step 4: Simplify right side
    977,281,921,107.17x = 725,329,614,223,989,008,236,544
  5. Step 5: Solve for x
    x = 725,329,614,223,989,008,236,544/977,281,921,107.17
  6. Step 6: Final answer
    x = 742,190,762,520.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.