Home / 1,064,879,681.40-1,597,319,522.10-885,720,641.40

Finding the Fourth Proportional to 1,064,879,681.40, 1,597,319,522.10 and 885,720,641.40

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Solution

The fourth proportional to 1,064,879,681.40, 1,597,319,522.10 and 885,720,641.40 is: 1,328,580,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,879,681.40 : 1,597,319,522.10 = 885,720,641.40 : x
  2. Step 2: Convert to fraction form
    1,064,879,681.40/1,597,319,522.10 = 885,720,641.40/x
  3. Step 3: Cross multiply
    1,064,879,681.40x = 1,597,319,522.10 × 885,720,641.40
  4. Step 4: Simplify right side
    1,064,879,681.40x = 1,414,778,871,635,153,408
  5. Step 5: Solve for x
    x = 1,414,778,871,635,153,408/1,064,879,681.40
  6. Step 6: Final answer
    x = 1,328,580,962.10

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Double scale
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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.