Home / 539,136,686.80-808,705,030.20-524,020,142.80

Finding the Fourth Proportional to 539,136,686.80, 808,705,030.20 and 524,020,142.80

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Solution

The fourth proportional to 539,136,686.80, 808,705,030.20 and 524,020,142.80 is: 786,030,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,686.80 : 808,705,030.20 = 524,020,142.80 : x
  2. Step 2: Convert to fraction form
    539,136,686.80/808,705,030.20 = 524,020,142.80/x
  3. Step 3: Cross multiply
    539,136,686.80x = 808,705,030.20 × 524,020,142.80
  4. Step 4: Simplify right side
    539,136,686.80x = 423,777,725,408,482,368
  5. Step 5: Solve for x
    x = 423,777,725,408,482,368/539,136,686.80
  6. Step 6: Final answer
    x = 786,030,214.20

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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.