Home / 1,216,312,692.17-1,678,636,620.18-740,036,873.34

Finding the Fourth Proportional to 1,216,312,692.17, 1,678,636,620.18 and 740,036,873.34

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Solution

The fourth proportional to 1,216,312,692.17, 1,678,636,620.18 and 740,036,873.34 is: 1,021,327,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,312,692.17 : 1,678,636,620.18 = 740,036,873.34 : x
  2. Step 2: Convert to fraction form
    1,216,312,692.17/1,678,636,620.18 = 740,036,873.34/x
  3. Step 3: Cross multiply
    1,216,312,692.17x = 1,678,636,620.18 × 740,036,873.34
  4. Step 4: Simplify right side
    1,216,312,692.17x = 1,242,252,995,872,032,512
  5. Step 5: Solve for x
    x = 1,242,252,995,872,032,512/1,216,312,692.17
  6. Step 6: Final answer
    x = 1,021,327,002.40

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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.