Home / 842,884,513,688.65-1,264,575,135,346.60-339,547,889,962.58

Finding the Fourth Proportional to 842,884,513,688.65, 1,264,575,135,346.60 and 339,547,889,962.58

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Solution

The fourth proportional to 842,884,513,688.65, 1,264,575,135,346.60 and 339,547,889,962.58 is: 509,421,886,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,884,513,688.65 : 1,264,575,135,346.60 = 339,547,889,962.58 : x
  2. Step 2: Convert to fraction form
    842,884,513,688.65/1,264,575,135,346.60 = 339,547,889,962.58/x
  3. Step 3: Cross multiply
    842,884,513,688.65x = 1,264,575,135,346.60 × 339,547,889,962.58
  4. Step 4: Simplify right side
    842,884,513,688.65x = 429,383,818,906,082,088,058,880
  5. Step 5: Solve for x
    x = 429,383,818,906,082,088,058,880/842,884,513,688.65
  6. Step 6: Final answer
    x = 509,421,886,311.57

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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.