Home / 1,142,262,649.68-1,575,742,221.72-746,017,557.36

Finding the Fourth Proportional to 1,142,262,649.68, 1,575,742,221.72 and 746,017,557.36

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Solution

The fourth proportional to 1,142,262,649.68, 1,575,742,221.72 and 746,017,557.36 is: 1,029,125,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,262,649.68 : 1,575,742,221.72 = 746,017,557.36 : x
  2. Step 2: Convert to fraction form
    1,142,262,649.68/1,575,742,221.72 = 746,017,557.36/x
  3. Step 3: Cross multiply
    1,142,262,649.68x = 1,575,742,221.72 × 746,017,557.36
  4. Step 4: Simplify right side
    1,142,262,649.68x = 1,175,531,363,276,573,952
  5. Step 5: Solve for x
    x = 1,175,531,363,276,573,952/1,142,262,649.68
  6. Step 6: Final answer
    x = 1,029,125,274.83

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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.