Home / 304,133,038.60-455,303,762.70-286,416,200.20

Finding the Fourth Proportional to 304,133,038.60, 455,303,762.70 and 286,416,200.20

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Solution

The fourth proportional to 304,133,038.60, 455,303,762.70 and 286,416,200.20 is: 428,780,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,133,038.60 : 455,303,762.70 = 286,416,200.20 : x
  2. Step 2: Convert to fraction form
    304,133,038.60/455,303,762.70 = 286,416,200.20/x
  3. Step 3: Cross multiply
    304,133,038.60x = 455,303,762.70 × 286,416,200.20
  4. Step 4: Simplify right side
    304,133,038.60x = 130,406,373,649,296,480
  5. Step 5: Solve for x
    x = 130,406,373,649,296,480/304,133,038.60
  6. Step 6: Final answer
    x = 428,780,688.38

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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.