Home / 807,417,130.32-1,114,236,127.98-436,139,325.72

Finding the Fourth Proportional to 807,417,130.32, 1,114,236,127.98 and 436,139,325.72

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Solution

The fourth proportional to 807,417,130.32, 1,114,236,127.98 and 436,139,325.72 is: 601,872,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,130.32 : 1,114,236,127.98 = 436,139,325.72 : x
  2. Step 2: Convert to fraction form
    807,417,130.32/1,114,236,127.98 = 436,139,325.72/x
  3. Step 3: Cross multiply
    807,417,130.32x = 1,114,236,127.98 × 436,139,325.72
  4. Step 4: Simplify right side
    807,417,130.32x = 485,962,193,550,060,864
  5. Step 5: Solve for x
    x = 485,962,193,550,060,864/807,417,130.32
  6. Step 6: Final answer
    x = 601,872,533.17

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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.