Home / 688,748,707,850.40-1,033,123,061,775.60-670,152,524,378.40

Finding the Fourth Proportional to 688,748,707,850.40, 1,033,123,061,775.60 and 670,152,524,378.40

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Solution

The fourth proportional to 688,748,707,850.40, 1,033,123,061,775.60 and 670,152,524,378.40 is: 1,005,228,786,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,748,707,850.40 : 1,033,123,061,775.60 = 670,152,524,378.40 : x
  2. Step 2: Convert to fraction form
    688,748,707,850.40/1,033,123,061,775.60 = 670,152,524,378.40/x
  3. Step 3: Cross multiply
    688,748,707,850.40x = 1,033,123,061,775.60 × 670,152,524,378.40
  4. Step 4: Simplify right side
    688,748,707,850.40x = 692,350,027,842,460,047,114,240
  5. Step 5: Solve for x
    x = 692,350,027,842,460,047,114,240/688,748,707,850.40
  6. Step 6: Final answer
    x = 1,005,228,786,567.60

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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.