Home / 480,071,039.43-662,604,612.35-291,859,340.76

Finding the Fourth Proportional to 480,071,039.43, 662,604,612.35 and 291,859,340.76

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Solution

The fourth proportional to 480,071,039.43, 662,604,612.35 and 291,859,340.76 is: 402,830,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,071,039.43 : 662,604,612.35 = 291,859,340.76 : x
  2. Step 2: Convert to fraction form
    480,071,039.43/662,604,612.35 = 291,859,340.76/x
  3. Step 3: Cross multiply
    480,071,039.43x = 662,604,612.35 × 291,859,340.76
  4. Step 4: Simplify right side
    480,071,039.43x = 193,387,345,345,006,368
  5. Step 5: Solve for x
    x = 193,387,345,345,006,368/480,071,039.43
  6. Step 6: Final answer
    x = 402,830,684.34

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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.