Home / 905,614,547.73-1,249,752,308.09-514,495,433.49

Finding the Fourth Proportional to 905,614,547.73, 1,249,752,308.09 and 514,495,433.49

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Solution

The fourth proportional to 905,614,547.73, 1,249,752,308.09 and 514,495,433.49 is: 710,006,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,614,547.73 : 1,249,752,308.09 = 514,495,433.49 : x
  2. Step 2: Convert to fraction form
    905,614,547.73/1,249,752,308.09 = 514,495,433.49/x
  3. Step 3: Cross multiply
    905,614,547.73x = 1,249,752,308.09 × 514,495,433.49
  4. Step 4: Simplify right side
    905,614,547.73x = 642,991,855,503,320,192
  5. Step 5: Solve for x
    x = 642,991,855,503,320,192/905,614,547.73
  6. Step 6: Final answer
    x = 710,006,102.61

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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.