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Finding the Fourth Proportional to 1,768,689,800.79, 2,651,636,803.74 and 882,920,561.58

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Solution

The fourth proportional to 1,768,689,800.79, 2,651,636,803.74 and 882,920,561.58 is: 1,323,683,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,689,800.79 : 2,651,636,803.74 = 882,920,561.58 : x
  2. Step 2: Convert to fraction form
    1,768,689,800.79/2,651,636,803.74 = 882,920,561.58/x
  3. Step 3: Cross multiply
    1,768,689,800.79x = 2,651,636,803.74 × 882,920,561.58
  4. Step 4: Simplify right side
    1,768,689,800.79x = 2,341,184,655,864,316,928
  5. Step 5: Solve for x
    x = 2,341,184,655,864,316,928/1,768,689,800.79
  6. Step 6: Final answer
    x = 1,323,683,019.38

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1.5x scale

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.