Home / 777,018,054,445.15-1,072,212,955,581.60-429,780,859,866.10

Finding the Fourth Proportional to 777,018,054,445.15, 1,072,212,955,581.60 and 429,780,859,866.10

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Solution

The fourth proportional to 777,018,054,445.15, 1,072,212,955,581.60 and 429,780,859,866.10 is: 593,057,784,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,054,445.15 : 1,072,212,955,581.60 = 429,780,859,866.10 : x
  2. Step 2: Convert to fraction form
    777,018,054,445.15/1,072,212,955,581.60 = 429,780,859,866.10/x
  3. Step 3: Cross multiply
    777,018,054,445.15x = 1,072,212,955,581.60 × 429,780,859,866.10
  4. Step 4: Simplify right side
    777,018,054,445.15x = 460,816,606,009,432,484,085,760
  5. Step 5: Solve for x
    x = 460,816,606,009,432,484,085,760/777,018,054,445.15
  6. Step 6: Final answer
    x = 593,057,784,659.19

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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.