Home / 455,638,592,031.80-628,723,464,855.90-249,818,670,285.35

Finding the Fourth Proportional to 455,638,592,031.80, 628,723,464,855.90 and 249,818,670,285.35

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Solution

The fourth proportional to 455,638,592,031.80, 628,723,464,855.90 and 249,818,670,285.35 is: 344,718,078,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,638,592,031.80 : 628,723,464,855.90 = 249,818,670,285.35 : x
  2. Step 2: Convert to fraction form
    455,638,592,031.80/628,723,464,855.90 = 249,818,670,285.35/x
  3. Step 3: Cross multiply
    455,638,592,031.80x = 628,723,464,855.90 × 249,818,670,285.35
  4. Step 4: Simplify right side
    455,638,592,031.80x = 157,066,859,967,498,929,831,936
  5. Step 5: Solve for x
    x = 157,066,859,967,498,929,831,936/455,638,592,031.80
  6. Step 6: Final answer
    x = 344,718,078,569.91

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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.