Home / 285,920,928,200.40-428,881,392,300.60-97,479,602,350.80

Finding the Fourth Proportional to 285,920,928,200.40, 428,881,392,300.60 and 97,479,602,350.80

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Solution

The fourth proportional to 285,920,928,200.40, 428,881,392,300.60 and 97,479,602,350.80 is: 146,219,403,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,920,928,200.40 : 428,881,392,300.60 = 97,479,602,350.80 : x
  2. Step 2: Convert to fraction form
    285,920,928,200.40/428,881,392,300.60 = 97,479,602,350.80/x
  3. Step 3: Cross multiply
    285,920,928,200.40x = 428,881,392,300.60 × 97,479,602,350.80
  4. Step 4: Simplify right side
    285,920,928,200.40x = 41,807,187,577,119,942,115,328
  5. Step 5: Solve for x
    x = 41,807,187,577,119,942,115,328/285,920,928,200.40
  6. Step 6: Final answer
    x = 146,219,403,526.20

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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.