Home / 630,088,690.40-945,133,035.60-545,154,034.40

Finding the Fourth Proportional to 630,088,690.40, 945,133,035.60 and 545,154,034.40

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Solution

The fourth proportional to 630,088,690.40, 945,133,035.60 and 545,154,034.40 is: 817,731,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,088,690.40 : 945,133,035.60 = 545,154,034.40 : x
  2. Step 2: Convert to fraction form
    630,088,690.40/945,133,035.60 = 545,154,034.40/x
  3. Step 3: Cross multiply
    630,088,690.40x = 945,133,035.60 × 545,154,034.40
  4. Step 4: Simplify right side
    630,088,690.40x = 515,243,087,402,058,816
  5. Step 5: Solve for x
    x = 515,243,087,402,058,816/630,088,690.40
  6. Step 6: Final answer
    x = 817,731,051.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.