Home / 674,032,901.40-1,009,348,740.90-537,984,005.40

Finding the Fourth Proportional to 674,032,901.40, 1,009,348,740.90 and 537,984,005.40

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Solution

The fourth proportional to 674,032,901.40, 1,009,348,740.90 and 537,984,005.40 is: 805,618,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,032,901.40 : 1,009,348,740.90 = 537,984,005.40 : x
  2. Step 2: Convert to fraction form
    674,032,901.40/1,009,348,740.90 = 537,984,005.40/x
  3. Step 3: Cross multiply
    674,032,901.40x = 1,009,348,740.90 × 537,984,005.40
  4. Step 4: Simplify right side
    674,032,901.40x = 543,013,478,474,828,736
  5. Step 5: Solve for x
    x = 543,013,478,474,828,736/674,032,901.40
  6. Step 6: Final answer
    x = 805,618,653.55

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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.