Home / 909,948,178,444.68-1,255,123,702,421.90-585,198,280,580.40

Finding the Fourth Proportional to 909,948,178,444.68, 1,255,123,702,421.90 and 585,198,280,580.40

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Solution

The fourth proportional to 909,948,178,444.68, 1,255,123,702,421.90 and 585,198,280,580.40 is: 807,184,683,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,948,178,444.68 : 1,255,123,702,421.90 = 585,198,280,580.40 : x
  2. Step 2: Convert to fraction form
    909,948,178,444.68/1,255,123,702,421.90 = 585,198,280,580.40/x
  3. Step 3: Cross multiply
    909,948,178,444.68x = 1,255,123,702,421.90 × 585,198,280,580.40
  4. Step 4: Simplify right side
    909,948,178,444.68x = 734,496,232,573,001,445,408,768
  5. Step 5: Solve for x
    x = 734,496,232,573,001,445,408,768/909,948,178,444.68
  6. Step 6: Final answer
    x = 807,184,683,668.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.