Home / 430,544,483.95-645,292,057.02-223,168,566.28

Finding the Fourth Proportional to 430,544,483.95, 645,292,057.02 and 223,168,566.28

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Solution

The fourth proportional to 430,544,483.95, 645,292,057.02 and 223,168,566.28 is: 334,480,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,544,483.95 : 645,292,057.02 = 223,168,566.28 : x
  2. Step 2: Convert to fraction form
    430,544,483.95/645,292,057.02 = 223,168,566.28/x
  3. Step 3: Cross multiply
    430,544,483.95x = 645,292,057.02 × 223,168,566.28
  4. Step 4: Simplify right side
    430,544,483.95x = 144,008,903,197,025,408
  5. Step 5: Solve for x
    x = 144,008,903,197,025,408/430,544,483.95
  6. Step 6: Final answer
    x = 334,480,892.37

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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.