Home / 842,884,513,688.90-1,264,575,135,346.90-339,547,889,962.83

Finding the Fourth Proportional to 842,884,513,688.90, 1,264,575,135,346.90 and 339,547,889,962.83

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Solution

The fourth proportional to 842,884,513,688.90, 1,264,575,135,346.90 and 339,547,889,962.83 is: 509,421,886,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,884,513,688.90 : 1,264,575,135,346.90 = 339,547,889,962.83 : x
  2. Step 2: Convert to fraction form
    842,884,513,688.90/1,264,575,135,346.90 = 339,547,889,962.83/x
  3. Step 3: Cross multiply
    842,884,513,688.90x = 1,264,575,135,346.90 × 339,547,889,962.83
  4. Step 4: Simplify right side
    842,884,513,688.90x = 429,383,818,906,500,042,063,872
  5. Step 5: Solve for x
    x = 429,383,818,906,500,042,063,872/842,884,513,688.90
  6. Step 6: Final answer
    x = 509,421,886,311.91

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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.