Home / 875,045,999.50-1,207,490,479.77-493,547,011.33

Finding the Fourth Proportional to 875,045,999.50, 1,207,490,479.77 and 493,547,011.33

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Solution

The fourth proportional to 875,045,999.50, 1,207,490,479.77 and 493,547,011.33 is: 681,053,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,045,999.50 : 1,207,490,479.77 = 493,547,011.33 : x
  2. Step 2: Convert to fraction form
    875,045,999.50/1,207,490,479.77 = 493,547,011.33/x
  3. Step 3: Cross multiply
    875,045,999.50x = 1,207,490,479.77 × 493,547,011.33
  4. Step 4: Simplify right side
    875,045,999.50x = 595,953,317,499,911,296
  5. Step 5: Solve for x
    x = 595,953,317,499,911,296/875,045,999.50
  6. Step 6: Final answer
    x = 681,053,702.14

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1.5x scale

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.