Home / 970,833,157.52-1,457,286,045.15-418,408,209.59

Finding the Fourth Proportional to 970,833,157.52, 1,457,286,045.15 and 418,408,209.59

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Solution

The fourth proportional to 970,833,157.52, 1,457,286,045.15 and 418,408,209.59 is: 628,058,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,833,157.52 : 1,457,286,045.15 = 418,408,209.59 : x
  2. Step 2: Convert to fraction form
    970,833,157.52/1,457,286,045.15 = 418,408,209.59/x
  3. Step 3: Cross multiply
    970,833,157.52x = 1,457,286,045.15 × 418,408,209.59
  4. Step 4: Simplify right side
    970,833,157.52x = 609,740,445,011,703,424
  5. Step 5: Solve for x
    x = 609,740,445,011,703,424/970,833,157.52
  6. Step 6: Final answer
    x = 628,058,941.22

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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.