Home / 507,488,411.52-700,479,966.84-306,513,362.88

Finding the Fourth Proportional to 507,488,411.52, 700,479,966.84 and 306,513,362.88

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Solution

The fourth proportional to 507,488,411.52, 700,479,966.84 and 306,513,362.88 is: 423,076,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,488,411.52 : 700,479,966.84 = 306,513,362.88 : x
  2. Step 2: Convert to fraction form
    507,488,411.52/700,479,966.84 = 306,513,362.88/x
  3. Step 3: Cross multiply
    507,488,411.52x = 700,479,966.84 × 306,513,362.88
  4. Step 4: Simplify right side
    507,488,411.52x = 214,706,470,266,199,296
  5. Step 5: Solve for x
    x = 214,706,470,266,199,296/507,488,411.52
  6. Step 6: Final answer
    x = 423,076,597.20

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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.