Home / 315,712,635,626.40-473,596,793,293.38-89,074,070,942.21

Finding the Fourth Proportional to 315,712,635,626.40, 473,596,793,293.38 and 89,074,070,942.21

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Solution

The fourth proportional to 315,712,635,626.40, 473,596,793,293.38 and 89,074,070,942.21 is: 133,618,961,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,712,635,626.40 : 473,596,793,293.38 = 89,074,070,942.21 : x
  2. Step 2: Convert to fraction form
    315,712,635,626.40/473,596,793,293.38 = 89,074,070,942.21/x
  3. Step 3: Cross multiply
    315,712,635,626.40x = 473,596,793,293.38 × 89,074,070,942.21
  4. Step 4: Simplify right side
    315,712,635,626.40x = 42,185,194,363,815,330,840,576
  5. Step 5: Solve for x
    x = 42,185,194,363,815,330,840,576/315,712,635,626.40
  6. Step 6: Final answer
    x = 133,618,961,053.35

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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.