Home / 940,657,899.96-1,298,180,516.76-564,328,582.20

Finding the Fourth Proportional to 940,657,899.96, 1,298,180,516.76 and 564,328,582.20

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Solution

The fourth proportional to 940,657,899.96, 1,298,180,516.76 and 564,328,582.20 is: 778,817,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,657,899.96 : 1,298,180,516.76 = 564,328,582.20 : x
  2. Step 2: Convert to fraction form
    940,657,899.96/1,298,180,516.76 = 564,328,582.20/x
  3. Step 3: Cross multiply
    940,657,899.96x = 1,298,180,516.76 × 564,328,582.20
  4. Step 4: Simplify right side
    940,657,899.96x = 732,600,370,462,834,176
  5. Step 5: Solve for x
    x = 732,600,370,462,834,176/940,657,899.96
  6. Step 6: Final answer
    x = 778,817,007.22

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Double scale
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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.