Home / 341,249,249,519.32-470,918,192,996.46-188,998,808,638.72

Finding the Fourth Proportional to 341,249,249,519.32, 470,918,192,996.46 and 188,998,808,638.72

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Solution

The fourth proportional to 341,249,249,519.32, 470,918,192,996.46 and 188,998,808,638.72 is: 260,815,159,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,249,249,519.32 : 470,918,192,996.46 = 188,998,808,638.72 : x
  2. Step 2: Convert to fraction form
    341,249,249,519.32/470,918,192,996.46 = 188,998,808,638.72/x
  3. Step 3: Cross multiply
    341,249,249,519.32x = 470,918,192,996.46 × 188,998,808,638.72
  4. Step 4: Simplify right side
    341,249,249,519.32x = 89,002,977,442,629,767,135,232
  5. Step 5: Solve for x
    x = 89,002,977,442,629,767,135,232/341,249,249,519.32
  6. Step 6: Final answer
    x = 260,815,159,499.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.