Home / 687,749,300.40-1,031,623,950.60-598,169,780.40

Finding the Fourth Proportional to 687,749,300.40, 1,031,623,950.60 and 598,169,780.40

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Solution

The fourth proportional to 687,749,300.40, 1,031,623,950.60 and 598,169,780.40 is: 897,254,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,749,300.40 : 1,031,623,950.60 = 598,169,780.40 : x
  2. Step 2: Convert to fraction form
    687,749,300.40/1,031,623,950.60 = 598,169,780.40/x
  3. Step 3: Cross multiply
    687,749,300.40x = 1,031,623,950.60 × 598,169,780.40
  4. Step 4: Simplify right side
    687,749,300.40x = 617,086,271,985,782,400
  5. Step 5: Solve for x
    x = 617,086,271,985,782,400/687,749,300.40
  6. Step 6: Final answer
    x = 897,254,670.60

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1.5x scale

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.