Home / 970,234,289.40-1,455,414,419.70-511,069,265.40

Finding the Fourth Proportional to 970,234,289.40, 1,455,414,419.70 and 511,069,265.40

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Solution

The fourth proportional to 970,234,289.40, 1,455,414,419.70 and 511,069,265.40 is: 766,637,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,234,289.40 : 1,455,414,419.70 = 511,069,265.40 : x
  2. Step 2: Convert to fraction form
    970,234,289.40/1,455,414,419.70 = 511,069,265.40/x
  3. Step 3: Cross multiply
    970,234,289.40x = 1,455,414,419.70 × 511,069,265.40
  4. Step 4: Simplify right side
    970,234,289.40x = 743,817,578,328,646,272
  5. Step 5: Solve for x
    x = 743,817,578,328,646,272/970,234,289.40
  6. Step 6: Final answer
    x = 766,637,075.66

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Double scale
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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.