Home / 786,590,143.20-1,179,885,214.80-241,330,802.40

Finding the Fourth Proportional to 786,590,143.20, 1,179,885,214.80 and 241,330,802.40

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Solution

The fourth proportional to 786,590,143.20, 1,179,885,214.80 and 241,330,802.40 is: 361,996,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,590,143.20 : 1,179,885,214.80 = 241,330,802.40 : x
  2. Step 2: Convert to fraction form
    786,590,143.20/1,179,885,214.80 = 241,330,802.40/x
  3. Step 3: Cross multiply
    786,590,143.20x = 1,179,885,214.80 × 241,330,802.40
  4. Step 4: Simplify right side
    786,590,143.20x = 284,742,645,627,580,352
  5. Step 5: Solve for x
    x = 284,742,645,627,580,352/786,590,143.20
  6. Step 6: Final answer
    x = 361,996,203.60

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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.