Home / 940,657,901.96-1,298,180,519.52-564,328,584.20

Finding the Fourth Proportional to 940,657,901.96, 1,298,180,519.52 and 564,328,584.20

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Solution

The fourth proportional to 940,657,901.96, 1,298,180,519.52 and 564,328,584.20 is: 778,817,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,657,901.96 : 1,298,180,519.52 = 564,328,584.20 : x
  2. Step 2: Convert to fraction form
    940,657,901.96/1,298,180,519.52 = 564,328,584.20/x
  3. Step 3: Cross multiply
    940,657,901.96x = 1,298,180,519.52 × 564,328,584.20
  4. Step 4: Simplify right side
    940,657,901.96x = 732,600,374,616,742,144
  5. Step 5: Solve for x
    x = 732,600,374,616,742,144/940,657,901.96
  6. Step 6: Final answer
    x = 778,817,009.98

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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.