Home / 346,403,688.02-478,037,049.81-207,174,427.46

Finding the Fourth Proportional to 346,403,688.02, 478,037,049.81 and 207,174,427.46

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Solution

The fourth proportional to 346,403,688.02, 478,037,049.81 and 207,174,427.46 is: 285,900,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,403,688.02 : 478,037,049.81 = 207,174,427.46 : x
  2. Step 2: Convert to fraction form
    346,403,688.02/478,037,049.81 = 207,174,427.46/x
  3. Step 3: Cross multiply
    346,403,688.02x = 478,037,049.81 × 207,174,427.46
  4. Step 4: Simplify right side
    346,403,688.02x = 99,037,052,099,054,256
  5. Step 5: Solve for x
    x = 99,037,052,099,054,256/346,403,688.02
  6. Step 6: Final answer
    x = 285,900,686.18

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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.