Home / 776,892,436.89-1,072,099,051.07-424,460,860.17

Finding the Fourth Proportional to 776,892,436.89, 1,072,099,051.07 and 424,460,860.17

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Solution

The fourth proportional to 776,892,436.89, 1,072,099,051.07 and 424,460,860.17 is: 585,749,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,892,436.89 : 1,072,099,051.07 = 424,460,860.17 : x
  2. Step 2: Convert to fraction form
    776,892,436.89/1,072,099,051.07 = 424,460,860.17/x
  3. Step 3: Cross multiply
    776,892,436.89x = 1,072,099,051.07 × 424,460,860.17
  4. Step 4: Simplify right side
    776,892,436.89x = 455,064,085,402,490,688
  5. Step 5: Solve for x
    x = 455,064,085,402,490,688/776,892,436.89
  6. Step 6: Final answer
    x = 585,749,151.10

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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.