Home / 926,811,333.60-1,389,806,427.60-313,228,946.40

Finding the Fourth Proportional to 926,811,333.60, 1,389,806,427.60 and 313,228,946.40

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Solution

The fourth proportional to 926,811,333.60, 1,389,806,427.60 and 313,228,946.40 is: 469,704,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,811,333.60 : 1,389,806,427.60 = 313,228,946.40 : x
  2. Step 2: Convert to fraction form
    926,811,333.60/1,389,806,427.60 = 313,228,946.40/x
  3. Step 3: Cross multiply
    926,811,333.60x = 1,389,806,427.60 × 313,228,946.40
  4. Step 4: Simplify right side
    926,811,333.60x = 435,327,603,017,095,808
  5. Step 5: Solve for x
    x = 435,327,603,017,095,808/926,811,333.60
  6. Step 6: Final answer
    x = 469,704,660.74

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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.