Home / 1,240,166,062.80-1,860,249,094.20-620,293,280.40

Finding the Fourth Proportional to 1,240,166,062.80, 1,860,249,094.20 and 620,293,280.40

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Solution

The fourth proportional to 1,240,166,062.80, 1,860,249,094.20 and 620,293,280.40 is: 930,439,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,166,062.80 : 1,860,249,094.20 = 620,293,280.40 : x
  2. Step 2: Convert to fraction form
    1,240,166,062.80/1,860,249,094.20 = 620,293,280.40/x
  3. Step 3: Cross multiply
    1,240,166,062.80x = 1,860,249,094.20 × 620,293,280.40
  4. Step 4: Simplify right side
    1,240,166,062.80x = 1,153,900,013,002,446,592
  5. Step 5: Solve for x
    x = 1,153,900,013,002,446,592/1,240,166,062.80
  6. Step 6: Final answer
    x = 930,439,920.60

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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.