Home / 853,884,876.08-1,178,362,136.76-462,744,300.08

Finding the Fourth Proportional to 853,884,876.08, 1,178,362,136.76 and 462,744,300.08

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Solution

The fourth proportional to 853,884,876.08, 1,178,362,136.76 and 462,744,300.08 is: 638,587,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,884,876.08 : 1,178,362,136.76 = 462,744,300.08 : x
  2. Step 2: Convert to fraction form
    853,884,876.08/1,178,362,136.76 = 462,744,300.08/x
  3. Step 3: Cross multiply
    853,884,876.08x = 1,178,362,136.76 × 462,744,300.08
  4. Step 4: Simplify right side
    853,884,876.08x = 545,280,362,215,779,392
  5. Step 5: Solve for x
    x = 545,280,362,215,779,392/853,884,876.08
  6. Step 6: Final answer
    x = 638,587,680.25

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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.