Home / 8,425,087,641.90-12,637,631,462.85-4,292,602,425.90

Finding the Fourth Proportional to 8,425,087,641.90, 12,637,631,462.85 and 4,292,602,425.90

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Solution

The fourth proportional to 8,425,087,641.90, 12,637,631,462.85 and 4,292,602,425.90 is: 6,438,903,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,087,641.90 : 12,637,631,462.85 = 4,292,602,425.90 : x
  2. Step 2: Convert to fraction form
    8,425,087,641.90/12,637,631,462.85 = 4,292,602,425.90/x
  3. Step 3: Cross multiply
    8,425,087,641.90x = 12,637,631,462.85 × 4,292,602,425.90
  4. Step 4: Simplify right side
    8,425,087,641.90x = 54,248,327,475,060,080,640
  5. Step 5: Solve for x
    x = 54,248,327,475,060,080,640/8,425,087,641.90
  6. Step 6: Final answer
    x = 6,438,903,638.85

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Double scale
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Similar ratio
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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.