Home / 369,665,572,111.10-510,138,102,612.95-207,086,362,436.70

Finding the Fourth Proportional to 369,665,572,111.10, 510,138,102,612.95 and 207,086,362,436.70

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Solution

The fourth proportional to 369,665,572,111.10, 510,138,102,612.95 and 207,086,362,436.70 is: 285,778,963,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,665,572,111.10 : 510,138,102,612.95 = 207,086,362,436.70 : x
  2. Step 2: Convert to fraction form
    369,665,572,111.10/510,138,102,612.95 = 207,086,362,436.70/x
  3. Step 3: Cross multiply
    369,665,572,111.10x = 510,138,102,612.95 × 207,086,362,436.70
  4. Step 4: Simplify right side
    369,665,572,111.10x = 105,642,644,010,475,831,951,360
  5. Step 5: Solve for x
    x = 105,642,644,010,475,831,951,360/369,665,572,111.10
  6. Step 6: Final answer
    x = 285,778,963,421.37

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1.5x scale

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.