Home / 742,234,707.84-1,024,222,913.28-407,689,941.12

Finding the Fourth Proportional to 742,234,707.84, 1,024,222,913.28 and 407,689,941.12

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Solution

The fourth proportional to 742,234,707.84, 1,024,222,913.28 and 407,689,941.12 is: 562,578,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,234,707.84 : 1,024,222,913.28 = 407,689,941.12 : x
  2. Step 2: Convert to fraction form
    742,234,707.84/1,024,222,913.28 = 407,689,941.12/x
  3. Step 3: Cross multiply
    742,234,707.84x = 1,024,222,913.28 × 407,689,941.12
  4. Step 4: Simplify right side
    742,234,707.84x = 417,565,379,208,878,080
  5. Step 5: Solve for x
    x = 417,565,379,208,878,080/742,234,707.84
  6. Step 6: Final answer
    x = 562,578,622.10

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.