Home / 630,947,854.40-946,421,781.60-523,452,430.40

Finding the Fourth Proportional to 630,947,854.40, 946,421,781.60 and 523,452,430.40

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Solution

The fourth proportional to 630,947,854.40, 946,421,781.60 and 523,452,430.40 is: 785,178,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,947,854.40 : 946,421,781.60 = 523,452,430.40 : x
  2. Step 2: Convert to fraction form
    630,947,854.40/946,421,781.60 = 523,452,430.40/x
  3. Step 3: Cross multiply
    630,947,854.40x = 946,421,781.60 × 523,452,430.40
  4. Step 4: Simplify right side
    630,947,854.40x = 495,406,781,762,017,984
  5. Step 5: Solve for x
    x = 495,406,781,762,017,984/630,947,854.40
  6. Step 6: Final answer
    x = 785,178,645.60

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Half scale
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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.