Home / 651,872,109.60-977,808,164.40-498,817,101.60

Finding the Fourth Proportional to 651,872,109.60, 977,808,164.40 and 498,817,101.60

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Solution

The fourth proportional to 651,872,109.60, 977,808,164.40 and 498,817,101.60 is: 748,225,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,872,109.60 : 977,808,164.40 = 498,817,101.60 : x
  2. Step 2: Convert to fraction form
    651,872,109.60/977,808,164.40 = 498,817,101.60/x
  3. Step 3: Cross multiply
    651,872,109.60x = 977,808,164.40 × 498,817,101.60
  4. Step 4: Simplify right side
    651,872,109.60x = 487,747,434,486,824,320
  5. Step 5: Solve for x
    x = 487,747,434,486,824,320/651,872,109.60
  6. Step 6: Final answer
    x = 748,225,652.40

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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.