Home / 947,285,426.36-1,421,025,598.02-357,572,390.60

Finding the Fourth Proportional to 947,285,426.36, 1,421,025,598.02 and 357,572,390.60

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Solution

The fourth proportional to 947,285,426.36, 1,421,025,598.02 and 357,572,390.60 is: 536,395,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,285,426.36 : 1,421,025,598.02 = 357,572,390.60 : x
  2. Step 2: Convert to fraction form
    947,285,426.36/1,421,025,598.02 = 357,572,390.60/x
  3. Step 3: Cross multiply
    947,285,426.36x = 1,421,025,598.02 × 357,572,390.60
  4. Step 4: Simplify right side
    947,285,426.36x = 508,119,520,187,806,080
  5. Step 5: Solve for x
    x = 508,119,520,187,806,080/947,285,426.36
  6. Step 6: Final answer
    x = 536,395,373.61

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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.