Home / 651,873,889.60-977,810,834.40-498,818,881.60

Finding the Fourth Proportional to 651,873,889.60, 977,810,834.40 and 498,818,881.60

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Solution

The fourth proportional to 651,873,889.60, 977,810,834.40 and 498,818,881.60 is: 748,228,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,873,889.60 : 977,810,834.40 = 498,818,881.60 : x
  2. Step 2: Convert to fraction form
    651,873,889.60/977,810,834.40 = 498,818,881.60/x
  3. Step 3: Cross multiply
    651,873,889.60x = 977,810,834.40 × 498,818,881.60
  4. Step 4: Simplify right side
    651,873,889.60x = 487,750,506,831,770,816
  5. Step 5: Solve for x
    x = 487,750,506,831,770,816/651,873,889.60
  6. Step 6: Final answer
    x = 748,228,322.40

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Double scale
Find fourth proportional to 651,873,890.60, 977,810,835.90 and 498,818,882.60
Similar ratio
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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.