Home / 539,156,043.80-808,734,065.70-528,406,501.40

Finding the Fourth Proportional to 539,156,043.80, 808,734,065.70 and 528,406,501.40

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Solution

The fourth proportional to 539,156,043.80, 808,734,065.70 and 528,406,501.40 is: 792,609,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,156,043.80 : 808,734,065.70 = 528,406,501.40 : x
  2. Step 2: Convert to fraction form
    539,156,043.80/808,734,065.70 = 528,406,501.40/x
  3. Step 3: Cross multiply
    539,156,043.80x = 808,734,065.70 × 528,406,501.40
  4. Step 4: Simplify right side
    539,156,043.80x = 427,340,338,219,534,720
  5. Step 5: Solve for x
    x = 427,340,338,219,534,720/539,156,043.80
  6. Step 6: Final answer
    x = 792,609,752.10

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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.