Home / 341,249,249,522.82-470,918,193,001.29-188,998,808,642.22

Finding the Fourth Proportional to 341,249,249,522.82, 470,918,193,001.29 and 188,998,808,642.22

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Solution

The fourth proportional to 341,249,249,522.82, 470,918,193,001.29 and 188,998,808,642.22 is: 260,815,159,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,249,249,522.82 : 470,918,193,001.29 = 188,998,808,642.22 : x
  2. Step 2: Convert to fraction form
    341,249,249,522.82/470,918,193,001.29 = 188,998,808,642.22/x
  3. Step 3: Cross multiply
    341,249,249,522.82x = 470,918,193,001.29 × 188,998,808,642.22
  4. Step 4: Simplify right side
    341,249,249,522.82x = 89,002,977,445,190,825,934,848
  5. Step 5: Solve for x
    x = 89,002,977,445,190,825,934,848/341,249,249,522.82
  6. Step 6: Final answer
    x = 260,815,159,504.81

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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.