Home / 630,088,470.40-943,621,051.20-306,594,428.80

Finding the Fourth Proportional to 630,088,470.40, 943,621,051.20 and 306,594,428.80

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Solution

The fourth proportional to 630,088,470.40, 943,621,051.20 and 306,594,428.80 is: 459,156,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,088,470.40 : 943,621,051.20 = 306,594,428.80 : x
  2. Step 2: Convert to fraction form
    630,088,470.40/943,621,051.20 = 306,594,428.80/x
  3. Step 3: Cross multiply
    630,088,470.40x = 943,621,051.20 × 306,594,428.80
  4. Step 4: Simplify right side
    630,088,470.40x = 289,308,957,196,319,552
  5. Step 5: Solve for x
    x = 289,308,957,196,319,552/630,088,470.40
  6. Step 6: Final answer
    x = 459,156,088.05

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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.