Home / 260,595,304.20-390,892,642.65-66,506,740.20

Finding the Fourth Proportional to 260,595,304.20, 390,892,642.65 and 66,506,740.20

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Solution

The fourth proportional to 260,595,304.20, 390,892,642.65 and 66,506,740.20 is: 99,760,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,595,304.20 : 390,892,642.65 = 66,506,740.20 : x
  2. Step 2: Convert to fraction form
    260,595,304.20/390,892,642.65 = 66,506,740.20/x
  3. Step 3: Cross multiply
    260,595,304.20x = 390,892,642.65 × 66,506,740.20
  4. Step 4: Simplify right side
    260,595,304.20x = 25,996,995,430,814,988
  5. Step 5: Solve for x
    x = 25,996,995,430,814,988/260,595,304.20
  6. Step 6: Final answer
    x = 99,760,030.25

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1.5x scale

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.