Home / 712,079,075.80-1,068,118,613.70-436,580,061.40

Finding the Fourth Proportional to 712,079,075.80, 1,068,118,613.70 and 436,580,061.40

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Solution

The fourth proportional to 712,079,075.80, 1,068,118,613.70 and 436,580,061.40 is: 654,870,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,079,075.80 : 1,068,118,613.70 = 436,580,061.40 : x
  2. Step 2: Convert to fraction form
    712,079,075.80/1,068,118,613.70 = 436,580,061.40/x
  3. Step 3: Cross multiply
    712,079,075.80x = 1,068,118,613.70 × 436,580,061.40
  4. Step 4: Simplify right side
    712,079,075.80x = 466,319,289,951,628,864
  5. Step 5: Solve for x
    x = 466,319,289,951,628,864/712,079,075.80
  6. Step 6: Final answer
    x = 654,870,092.10

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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.