Home / 434,122,750,612.86-598,673,628,916.47-287,402,958,676.86

Finding the Fourth Proportional to 434,122,750,612.86, 598,673,628,916.47 and 287,402,958,676.86

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Solution

The fourth proportional to 434,122,750,612.86, 598,673,628,916.47 and 287,402,958,676.86 is: 396,340,832,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,122,750,612.86 : 598,673,628,916.47 = 287,402,958,676.86 : x
  2. Step 2: Convert to fraction form
    434,122,750,612.86/598,673,628,916.47 = 287,402,958,676.86/x
  3. Step 3: Cross multiply
    434,122,750,612.86x = 598,673,628,916.47 × 287,402,958,676.86
  4. Step 4: Simplify right side
    434,122,750,612.86x = 172,060,572,232,406,041,362,432
  5. Step 5: Solve for x
    x = 172,060,572,232,406,041,362,432/434,122,750,612.86
  6. Step 6: Final answer
    x = 396,340,832,148.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.