Home / 745,954,824.96-1,118,663,498.88-315,166,913.28

Finding the Fourth Proportional to 745,954,824.96, 1,118,663,498.88 and 315,166,913.28

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Solution

The fourth proportional to 745,954,824.96, 1,118,663,498.88 and 315,166,913.28 is: 472,636,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,954,824.96 : 1,118,663,498.88 = 315,166,913.28 : x
  2. Step 2: Convert to fraction form
    745,954,824.96/1,118,663,498.88 = 315,166,913.28/x
  3. Step 3: Cross multiply
    745,954,824.96x = 1,118,663,498.88 × 315,166,913.28
  4. Step 4: Simplify right side
    745,954,824.96x = 352,565,721,941,014,336
  5. Step 5: Solve for x
    x = 352,565,721,941,014,336/745,954,824.96
  6. Step 6: Final answer
    x = 472,636,827.52

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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.