Home / 1,430,784,155.60-2,146,176,233.40-511,698,280.40

Finding the Fourth Proportional to 1,430,784,155.60, 2,146,176,233.40 and 511,698,280.40

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Solution

The fourth proportional to 1,430,784,155.60, 2,146,176,233.40 and 511,698,280.40 is: 767,547,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,784,155.60 : 2,146,176,233.40 = 511,698,280.40 : x
  2. Step 2: Convert to fraction form
    1,430,784,155.60/2,146,176,233.40 = 511,698,280.40/x
  3. Step 3: Cross multiply
    1,430,784,155.60x = 2,146,176,233.40 × 511,698,280.40
  4. Step 4: Simplify right side
    1,430,784,155.60x = 1,098,194,688,066,129,024
  5. Step 5: Solve for x
    x = 1,098,194,688,066,129,024/1,430,784,155.60
  6. Step 6: Final answer
    x = 767,547,420.60

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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.