Home / 630,950,547.40-946,425,821.10-523,455,123.40

Finding the Fourth Proportional to 630,950,547.40, 946,425,821.10 and 523,455,123.40

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Solution

The fourth proportional to 630,950,547.40, 946,425,821.10 and 523,455,123.40 is: 785,182,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,950,547.40 : 946,425,821.10 = 523,455,123.40 : x
  2. Step 2: Convert to fraction form
    630,950,547.40/946,425,821.10 = 523,455,123.40/x
  3. Step 3: Cross multiply
    630,950,547.40x = 946,425,821.10 × 523,455,123.40
  4. Step 4: Simplify right side
    630,950,547.40x = 495,411,444,972,846,784
  5. Step 5: Solve for x
    x = 495,411,444,972,846,784/630,950,547.40
  6. Step 6: Final answer
    x = 785,182,685.10

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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.