Home / 511,316,323.20-766,974,484.80-166,281,206.40

Finding the Fourth Proportional to 511,316,323.20, 766,974,484.80 and 166,281,206.40

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Solution

The fourth proportional to 511,316,323.20, 766,974,484.80 and 166,281,206.40 is: 249,421,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,316,323.20 : 766,974,484.80 = 166,281,206.40 : x
  2. Step 2: Convert to fraction form
    511,316,323.20/766,974,484.80 = 166,281,206.40/x
  3. Step 3: Cross multiply
    511,316,323.20x = 766,974,484.80 × 166,281,206.40
  4. Step 4: Simplify right side
    511,316,323.20x = 127,533,442,610,562,464
  5. Step 5: Solve for x
    x = 127,533,442,610,562,464/511,316,323.20
  6. Step 6: Final answer
    x = 249,421,809.60

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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.