Home / 346,642,026.66-478,371,776.40-187,877,220.93

Finding the Fourth Proportional to 346,642,026.66, 478,371,776.40 and 187,877,220.93

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Solution

The fourth proportional to 346,642,026.66, 478,371,776.40 and 187,877,220.93 is: 259,273,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,642,026.66 : 478,371,776.40 = 187,877,220.93 : x
  2. Step 2: Convert to fraction form
    346,642,026.66/478,371,776.40 = 187,877,220.93/x
  3. Step 3: Cross multiply
    346,642,026.66x = 478,371,776.40 × 187,877,220.93
  4. Step 4: Simplify right side
    346,642,026.66x = 89,875,159,921,379,360
  5. Step 5: Solve for x
    x = 89,875,159,921,379,360/346,642,026.66
  6. Step 6: Final answer
    x = 259,273,697.39

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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.