Home / 1,008,935,952.20-1,513,403,928.30-619,495,987.40

Finding the Fourth Proportional to 1,008,935,952.20, 1,513,403,928.30 and 619,495,987.40

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Solution

The fourth proportional to 1,008,935,952.20, 1,513,403,928.30 and 619,495,987.40 is: 929,243,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,935,952.20 : 1,513,403,928.30 = 619,495,987.40 : x
  2. Step 2: Convert to fraction form
    1,008,935,952.20/1,513,403,928.30 = 619,495,987.40/x
  3. Step 3: Cross multiply
    1,008,935,952.20x = 1,513,403,928.30 × 619,495,987.40
  4. Step 4: Simplify right side
    1,008,935,952.20x = 937,547,660,897,247,232
  5. Step 5: Solve for x
    x = 937,547,660,897,247,232/1,008,935,952.20
  6. Step 6: Final answer
    x = 929,243,981.10

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Double scale
Find fourth proportional to 1,008,935,953.20, 1,513,403,929.80 and 619,495,988.40
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.