Home / 712,825,117.14-1,069,238,528.64-195,260,019.78

Finding the Fourth Proportional to 712,825,117.14, 1,069,238,528.64 and 195,260,019.78

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Solution

The fourth proportional to 712,825,117.14, 1,069,238,528.64 and 195,260,019.78 is: 292,890,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,825,117.14 : 1,069,238,528.64 = 195,260,019.78 : x
  2. Step 2: Convert to fraction form
    712,825,117.14/1,069,238,528.64 = 195,260,019.78/x
  3. Step 3: Cross multiply
    712,825,117.14x = 1,069,238,528.64 × 195,260,019.78
  4. Step 4: Simplify right side
    712,825,117.14x = 208,779,536,251,784,480
  5. Step 5: Solve for x
    x = 208,779,536,251,784,480/712,825,117.14
  6. Step 6: Final answer
    x = 292,890,263.31

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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.