Home / 723,070,157,600.72-997,845,955,801.80-397,946,871,031.76

Finding the Fourth Proportional to 723,070,157,600.72, 997,845,955,801.80 and 397,946,871,031.76

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Solution

The fourth proportional to 723,070,157,600.72, 997,845,955,801.80 and 397,946,871,031.76 is: 549,171,711,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,070,157,600.72 : 997,845,955,801.80 = 397,946,871,031.76 : x
  2. Step 2: Convert to fraction form
    723,070,157,600.72/997,845,955,801.80 = 397,946,871,031.76/x
  3. Step 3: Cross multiply
    723,070,157,600.72x = 997,845,955,801.80 × 397,946,871,031.76
  4. Step 4: Simplify right side
    723,070,157,600.72x = 397,089,675,883,022,202,699,776
  5. Step 5: Solve for x
    x = 397,089,675,883,022,202,699,776/723,070,157,600.72
  6. Step 6: Final answer
    x = 549,171,711,360.12

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