Home / 769,832,442.40-1,154,748,663.60-563,208,181.60

Finding the Fourth Proportional to 769,832,442.40, 1,154,748,663.60 and 563,208,181.60

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Solution

The fourth proportional to 769,832,442.40, 1,154,748,663.60 and 563,208,181.60 is: 844,812,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,832,442.40 : 1,154,748,663.60 = 563,208,181.60 : x
  2. Step 2: Convert to fraction form
    769,832,442.40/1,154,748,663.60 = 563,208,181.60/x
  3. Step 3: Cross multiply
    769,832,442.40x = 1,154,748,663.60 × 563,208,181.60
  4. Step 4: Simplify right side
    769,832,442.40x = 650,363,895,031,186,048
  5. Step 5: Solve for x
    x = 650,363,895,031,186,048/769,832,442.40
  6. Step 6: Final answer
    x = 844,812,272.40

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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.