Home / 453,479,085.80-680,218,628.70-292,103,239.40

Finding the Fourth Proportional to 453,479,085.80, 680,218,628.70 and 292,103,239.40

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Solution

The fourth proportional to 453,479,085.80, 680,218,628.70 and 292,103,239.40 is: 438,154,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,479,085.80 : 680,218,628.70 = 292,103,239.40 : x
  2. Step 2: Convert to fraction form
    453,479,085.80/680,218,628.70 = 292,103,239.40/x
  3. Step 3: Cross multiply
    453,479,085.80x = 680,218,628.70 × 292,103,239.40
  4. Step 4: Simplify right side
    453,479,085.80x = 198,694,064,943,495,808
  5. Step 5: Solve for x
    x = 198,694,064,943,495,808/453,479,085.80
  6. Step 6: Final answer
    x = 438,154,859.10

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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.