Home / 260,296,480,275.12-390,595,355,636.40-109,189,248,417.36

Finding the Fourth Proportional to 260,296,480,275.12, 390,595,355,636.40 and 109,189,248,417.36

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Solution

The fourth proportional to 260,296,480,275.12, 390,595,355,636.40 and 109,189,248,417.36 is: 163,847,061,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,296,480,275.12 : 390,595,355,636.40 = 109,189,248,417.36 : x
  2. Step 2: Convert to fraction form
    260,296,480,275.12/390,595,355,636.40 = 109,189,248,417.36/x
  3. Step 3: Cross multiply
    260,296,480,275.12x = 390,595,355,636.40 × 109,189,248,417.36
  4. Step 4: Simplify right side
    260,296,480,275.12x = 42,648,813,317,249,961,033,728
  5. Step 5: Solve for x
    x = 42,648,813,317,249,961,033,728/260,296,480,275.12
  6. Step 6: Final answer
    x = 163,847,061,136.49

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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.