Home / 912,913,175.36-1,369,426,567.70-330,652,465.40

Finding the Fourth Proportional to 912,913,175.36, 1,369,426,567.70 and 330,652,465.40

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Solution

The fourth proportional to 912,913,175.36, 1,369,426,567.70 and 330,652,465.40 is: 495,999,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,913,175.36 : 1,369,426,567.70 = 330,652,465.40 : x
  2. Step 2: Convert to fraction form
    912,913,175.36/1,369,426,567.70 = 330,652,465.40/x
  3. Step 3: Cross multiply
    912,913,175.36x = 1,369,426,567.70 × 330,652,465.40
  4. Step 4: Simplify right side
    912,913,175.36x = 452,804,270,798,515,200
  5. Step 5: Solve for x
    x = 452,804,270,798,515,200/912,913,175.36
  6. Step 6: Final answer
    x = 495,999,272.46

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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.