Home / 868,994,996.30-1,303,492,494.45-772,249,114.70

Finding the Fourth Proportional to 868,994,996.30, 1,303,492,494.45 and 772,249,114.70

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Solution

The fourth proportional to 868,994,996.30, 1,303,492,494.45 and 772,249,114.70 is: 1,158,373,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,994,996.30 : 1,303,492,494.45 = 772,249,114.70 : x
  2. Step 2: Convert to fraction form
    868,994,996.30/1,303,492,494.45 = 772,249,114.70/x
  3. Step 3: Cross multiply
    868,994,996.30x = 1,303,492,494.45 × 772,249,114.70
  4. Step 4: Simplify right side
    868,994,996.30x = 1,006,620,924,857,107,200
  5. Step 5: Solve for x
    x = 1,006,620,924,857,107,200/868,994,996.30
  6. Step 6: Final answer
    x = 1,158,373,672.05

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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.