Home / 438,274,547,313.90-604,818,862,187.55-242,957,334,265.77

Finding the Fourth Proportional to 438,274,547,313.90, 604,818,862,187.55 and 242,957,334,265.77

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Solution

The fourth proportional to 438,274,547,313.90, 604,818,862,187.55 and 242,957,334,265.77 is: 335,281,114,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,274,547,313.90 : 604,818,862,187.55 = 242,957,334,265.77 : x
  2. Step 2: Convert to fraction form
    438,274,547,313.90/604,818,862,187.55 = 242,957,334,265.77/x
  3. Step 3: Cross multiply
    438,274,547,313.90x = 604,818,862,187.55 × 242,957,334,265.77
  4. Step 4: Simplify right side
    438,274,547,313.90x = 146,945,178,470,743,273,373,696
  5. Step 5: Solve for x
    x = 146,945,178,470,743,273,373,696/438,274,547,313.90
  6. Step 6: Final answer
    x = 335,281,114,021.66

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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.